{
 "title": "How Religions Evolved: the data behind the chart",
 "source": "https://howitevolved.com/chart/",
 "license": "https://creativecommons.org/licenses/by/4.0/",
 "revised": "2026-10-23",
 "note": "Years are integers: negative is BCE, there is no year 0, and 1 means 1 CE. Every date is the first datable attestation the cited chapter gives, not the date an idea began.",
 "traditions": [
  {
   "key": "judaism",
   "name": "Judaism",
   "span": "c. 1250 BCE – present",
   "today": {
    "count": 15700000,
    "text": "about 15.7 million Jews (2024)",
    "source": "DellaPergola, 2025 · Judaism §13"
   },
   "chapters": [
    {
     "n": 1,
     "title": "Out of Canaan",
     "start": -1250,
     "end": -1000,
     "url": "https://howitevolved.com/judaism/origins-of-israel/"
    },
    {
     "n": 2,
     "title": "Yahweh Among the Gods",
     "start": -1000,
     "end": -750,
     "url": "https://howitevolved.com/judaism/yahweh-among-the-gods/"
    },
    {
     "n": 3,
     "title": "The Prophets and the Yahweh-Alone Movement",
     "start": -760,
     "end": -586,
     "url": "https://howitevolved.com/judaism/prophets-and-josiahs-reform/"
    },
    {
     "n": 4,
     "title": "Exile and the Birth of Monotheism",
     "start": -597,
     "end": -539,
     "url": "https://howitevolved.com/judaism/babylonian-exile/"
    },
    {
     "n": 5,
     "title": "Persian Yehud and the Making of the Torah",
     "start": -539,
     "end": -332,
     "url": "https://howitevolved.com/judaism/persian-yehud-and-the-torah/"
    },
    {
     "n": 6,
     "title": "Hellenism, the Maccabees and the Second Temple Sects",
     "start": -332,
     "end": 70,
     "url": "https://howitevolved.com/judaism/second-temple-judaism/"
    },
    {
     "n": 7,
     "title": "Without a Temple: The Rabbis",
     "start": 70,
     "end": 640,
     "url": "https://howitevolved.com/judaism/rabbis-mishnah-talmud/"
    },
    {
     "n": 8,
     "title": "Under Islam",
     "start": 632,
     "end": 1250,
     "url": "https://howitevolved.com/judaism/jews-under-islam/"
    },
    {
     "n": 9,
     "title": "Ashkenaz, Sepharad and the Kabbalah",
     "start": 1000,
     "end": 1650,
     "url": "https://howitevolved.com/judaism/ashkenazi-sephardic-kabbalah/"
    },
    {
     "n": 10,
     "title": "False Messiahs, Hasidism and Their Opponents",
     "start": 1648,
     "end": 1800,
     "url": "https://howitevolved.com/judaism/sabbatai-zevi-and-the-rise-of-hasidism/"
    },
    {
     "n": 11,
     "title": "Emancipation and the Modern Movements",
     "start": 1750,
     "end": 1900,
     "url": "https://howitevolved.com/judaism/reform-orthodox-conservative-origins/"
    },
    {
     "n": 12,
     "title": "Zionism, the Holocaust and the State of Israel",
     "start": 1881,
     "end": 1974,
     "url": "https://howitevolved.com/judaism/zionism-holocaust-and-israel/"
    },
    {
     "n": 13,
     "title": "Judaism Today",
     "start": 1967,
     "end": 2026,
     "url": "https://howitevolved.com/judaism/judaism-today/"
    }
   ],
   "firsts": [
    {
     "idea": "A people called Israel, named for El",
     "year": -1208,
     "date": "c. 1208 BCE",
     "source": "Merneptah Stele: \"Israel is laid waste, his seed is not\"",
     "note": "Israel appears as a people in Canaan, not yet a kingdom; its name contains El, the Canaanite high god, not Yahweh.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/origins-of-israel/"
    },
    {
     "idea": "Yahweh as a god who comes from the southern deserts",
     "year": -1100,
     "date": "12th–10th c. BCE (debated)",
     "source": "Judges 5:4–5 (the Song of Deborah); Deuteronomy 33:2; Habakkuk 3:3",
     "note": "Some of the oldest poems in the Bible have Yahweh march out of Seir, Edom and Teman; the date of the poems is disputed.",
     "confidence": "contested",
     "url": "https://howitevolved.com/judaism/yahweh-among-the-gods/"
    },
    {
     "idea": "Yahweh named as a god",
     "year": -840,
     "date": "c. 840 BCE",
     "source": "Mesha Stele: the king of Moab takes \"the vessels of Yahweh\" from Nebo",
     "note": "The earliest certain mention of Yahweh comes from Israel's enemy; an Egyptian \"Shasu of Yhw\" c. 1370 BCE may be related.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/yahweh-among-the-gods/"
    },
    {
     "idea": "Asherah paired with Yahweh",
     "year": -800,
     "date": "c. 800 BCE",
     "source": "Kuntillet ʿAjrud: \"Yahweh of Samaria and his asherah\"; Khirbet el-Qom",
     "note": "Blessings invoke Yahweh and \"his asherah\"; whether that meant the goddess or a cult symbol of hers is debated.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/yahweh-among-the-gods/"
    },
    {
     "idea": "Yahweh dominates personal names",
     "year": -780,
     "date": "early 8th c. BCE",
     "source": "Samaria ostraca; Hebrew inscriptions and seals",
     "note": "Names built on Yahweh outnumber those built on Baal, though a notable minority honour Baal.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/yahweh-among-the-gods/"
    },
    {
     "idea": "Prophecy collected in books",
     "year": -755,
     "date": "c. 760–750 BCE",
     "source": "Amos; then Hosea, Isaiah and Micah",
     "note": "Prophecy was common across the Near East; what is new is that these prophets' sayings were collected and edited into books.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/prophets-and-josiahs-reform/"
    },
    {
     "idea": "Yahweh alone: a demand for exclusive worship",
     "year": -740,
     "date": "c. 750–725 BCE",
     "source": "Hosea 13:4: \"you know no god but me\"",
     "note": "Worship of Yahweh only, without yet denying that other gods exist: monolatry, not monotheism.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/prophets-and-josiahs-reform/"
    },
    {
     "idea": "One sanctuary and a book of the law",
     "year": -622,
     "date": "622 BCE",
     "source": "2 Kings 22–23; the core of Deuteronomy",
     "note": "Josiah's reform centralises sacrifice in Jerusalem and purges Baal and Asherah from the Temple; how far it reached is debated.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/prophets-and-josiahs-reform/"
    },
    {
     "idea": "Sabbath and circumcision as signs of the covenant",
     "year": -550,
     "date": "6th c. BCE",
     "source": "Priestly texts: Genesis 17; Exodus 31:12–17",
     "note": "Without temple, king or land, portable practices become the marks of belonging; both existed earlier, but not as identity markers.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/babylonian-exile/"
    },
    {
     "idea": "No god but Yahweh: explicit monotheism",
     "year": -545,
     "date": "c. 550–539 BCE",
     "source": "Isaiah 45:5–7; Deuteronomy 4:35, 39",
     "note": "The first statements that other gods do not exist at all come from the exile, after the fall of Jerusalem.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/babylonian-exile/"
    },
    {
     "idea": "\"The satan\", an accuser in God's council",
     "year": -520,
     "date": "c. 520 BCE",
     "source": "Zechariah 3:1–2; Job 1–2",
     "note": "Still a role with a definite article, not a name: the accuser acts with God's permission.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/persian-yehud-and-the-torah/"
    },
    {
     "idea": "Yehudim: \"Jews\" as the name of a dispersed people",
     "year": -450,
     "date": "5th c. BCE",
     "source": "Elephantine papyri; Esther",
     "note": "\"Judahite\" becomes the name of a people defined by descent and practice, living far from Judah.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/persian-yehud-and-the-torah/"
    },
    {
     "idea": "The Torah as a finished, authoritative book",
     "year": -400,
     "date": "5th–4th c. BCE",
     "source": "Nehemiah 8; the shared Samaritan Torah; later the Septuagint",
     "note": "The Torah reaches roughly its final form and is read aloud to the people; the Elephantine Judeans of the 5th century show no trace of it.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/persian-yehud-and-the-torah/"
    },
    {
     "idea": "Satan as a proper name",
     "year": -350,
     "date": "4th c. BCE",
     "source": "1 Chronicles 21:1 against 2 Samuel 24:1",
     "note": "An act the older text gives to Yahweh, inciting David's census, is moved to \"Satan\", now without the article.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/second-temple-judaism/"
    },
    {
     "idea": "Fallen angels as the source of evil",
     "year": -250,
     "date": "3rd c. BCE",
     "source": "The Book of the Watchers (1 Enoch 1–36)",
     "note": "Two hundred angels descend and corrupt humanity: evil comes from them, not from Adam.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/second-temple-judaism/"
    },
    {
     "idea": "A Jewish prayer house (synagogue)",
     "year": -230,
     "date": "246–221 BCE",
     "source": "Schedia inscription, dedicated for Ptolemy III",
     "note": "The earliest dated synagogue is in Egypt; buildings in Judea and Galilee follow in the 1st c. CE.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/second-temple-judaism/"
    },
    {
     "idea": "Resurrection and judgment of the dead",
     "year": -165,
     "date": "c. 165 BCE",
     "source": "Daniel 12:2",
     "note": "The first clear biblical promise that the dead will rise; Daniel is also the first biblical book to name angels, Michael and Gabriel.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/second-temple-judaism/"
    },
    {
     "idea": "Hanukkah",
     "year": -164,
     "date": "December 164 BCE",
     "source": "1 Maccabees 4:52–59",
     "note": "The rededication of the Temple, kept as an eight-day festival; the oil miracle is first recorded in the Talmud.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/second-temple-judaism/"
    },
    {
     "idea": "\"Judaism\" as a word",
     "year": -120,
     "date": "late 2nd or 1st c. BCE",
     "source": "2 Maccabees 2:21, 8:1, 14:38 (Ioudaismos)",
     "note": "The Greek word first names the Jewish way of life in contrast to Hellenism.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/second-temple-judaism/"
    },
    {
     "idea": "Satan as leader of the forces of evil",
     "year": -100,
     "date": "2nd–1st c. BCE",
     "source": "Jubilees (Mastema); Dead Sea Scrolls (Belial)",
     "note": "The accuser becomes the commander of \"the sons of darkness\", the figure the Gospels take for granted.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/second-temple-judaism/"
    },
    {
     "idea": "An end-time Messiah",
     "year": -75,
     "date": "1st c. BCE",
     "source": "Community Rule (1QS 9:11); Psalms of Solomon 17",
     "note": "\"Anointed\" becomes the title of an expected end-time figure; expectations varied widely.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/second-temple-judaism/"
    },
    {
     "idea": "Prayer in place of sacrifice",
     "year": 80,
     "date": "c. 70–90 CE",
     "source": "b. Berakhot 26b; the ʿAmidah attributed to Yavneh (b. Berakhot 28b)",
     "note": "After the Temple burned, daily prayer was modelled on its timetable; fixed wording came centuries later.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/rabbis-mishnah-talmud/"
    },
    {
     "idea": "The Oral Torah written down: the Mishnah",
     "year": 200,
     "date": "c. 200 CE",
     "source": "The Mishnah, compiled under Rabbi Judah the Patriarch",
     "note": "Tradition the rabbis traced to Sinai is compiled in Hebrew, much of it about a Temple that no longer stood.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/rabbis-mishnah-talmud/"
    },
    {
     "idea": "Jewish status through the mother",
     "year": 200,
     "date": "c. 200 CE",
     "source": "m. Kiddushin 3:12",
     "note": "In the Bible descent runs through the father; the matrilineal rule is first stated by the rabbis.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/rabbis-mishnah-talmud/"
    },
    {
     "idea": "Scripture without the Oral Torah",
     "year": 765,
     "date": "c. 760s",
     "source": "Anan ben David's Book of Commandments",
     "note": "Karaism rejects rabbinic tradition; Anan's role as founder was enlarged by later accounts.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/jews-under-islam/"
    },
    {
     "idea": "The Talmud as authority everywhere, and a written prayer order",
     "year": 868,
     "date": "c. 860–875",
     "source": "Seder Rav Amram; geonic responsa",
     "note": "The Babylonian geonim make the Talmud the law of Jews across the Islamic world and send the first complete prayer order to Spain.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/jews-under-islam/"
    },
    {
     "idea": "A binding Jewish creed",
     "year": 1168,
     "date": "c. 1168",
     "source": "Maimonides, Commentary on the Mishnah, Sanhedrin 10: the Thirteen Principles",
     "note": "The first rabbinic attempt at binding dogma, disputed from the start, later sung as Yigdal and printed as Ani Maʾamin.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/jews-under-islam/"
    },
    {
     "idea": "Kabbalah",
     "year": 1200,
     "date": "c. 1180–1230",
     "source": "Sefer ha-Bahir; Isaac the Blind in Provence; then the Zohar, c. 1280–1300",
     "note": "Jewish mysticism with the sefirot appears in Provence and Castile, not in antiquity as the Zohar claims.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/ashkenazi-sephardic-kabbalah/"
    },
    {
     "idea": "Bar mitzvah as a ceremony",
     "year": 1400,
     "date": "late Middle Ages",
     "source": "Ashkenazi custom",
     "note": "A boy was legally adult at thirteen in Talmudic law; a public ceremony marking it is attested only late.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/ashkenazi-sephardic-kabbalah/"
    },
    {
     "idea": "One code of law for Sephardim and Ashkenazim",
     "year": 1565,
     "date": "1565; 1571",
     "source": "Joseph Karo's Shulḥan ʿArukh with Moses Isserles's glosses",
     "note": "Printing lets one code, with Ashkenazi glosses, become the reference for both communities.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/ashkenazi-sephardic-kabbalah/"
    },
    {
     "idea": "The tsaddik as mediator for his followers",
     "year": 1780,
     "date": "1770s–1780s",
     "source": "Noʿam Elimelekh (1788) and other early Hasidic books",
     "note": "Formulated by the Maggid's students, not by the Baal Shem Tov himself.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/sabbatai-zevi-and-the-rise-of-hasidism/"
    },
    {
     "idea": "\"Orthodox\" as a name for Jews",
     "year": 1795,
     "date": "1795",
     "source": "Berlinische Monatsschrift",
     "note": "The label comes from outside, before Orthodoxy organised itself as a movement against Reform.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/reform-orthodox-conservative-origins/"
    },
    {
     "idea": "Reform worship",
     "year": 1810,
     "date": "1810",
     "source": "Israel Jacobson's service at Seesen: German sermon, organ and choir",
     "note": "Reform begins with changes to worship; changes in doctrine follow.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/reform-orthodox-conservative-origins/"
    },
    {
     "idea": "Settling the land as the start of redemption",
     "year": 1862,
     "date": "1862",
     "source": "Zvi Hirsch Kalischer, Derishat Tziyon",
     "note": "A rabbinic argument for settlement decades before Herzl's secular, political Zionism (1896–97).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/zionism-holocaust-and-israel/"
    },
    {
     "idea": "Bat mitzvah",
     "year": 1922,
     "date": "18 March 1922",
     "source": "Mordecai Kaplan's daughter Judith, New York",
     "note": "The first public bat mitzvah in America.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/judaism-today/"
    },
    {
     "idea": "A woman rabbi",
     "year": 1935,
     "date": "27 December 1935",
     "source": "Regina Jonas, ordained privately in Offenbach",
     "note": "Seminaries follow from 1972 (Reform), 1974 (Reconstructionist) and 1985 (Conservative); Orthodoxy remains divided.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/judaism-today/"
    },
    {
     "idea": "Jewish status through the father (Reform)",
     "year": 1983,
     "date": "15 March 1983",
     "source": "Central Conference of American Rabbis resolution",
     "note": "American Reform accepts the child of one Jewish parent, father or mother, as presumptively Jewish.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/judaism-today/"
    }
   ],
   "tree": [
    {
     "id": "israel",
     "kind": "trunk",
     "name": "Israelite religion: Yahweh among the gods",
     "parent": null,
     "start": -1208,
     "end": null,
     "date": "c. 1208 BCE",
     "note": "The Merneptah Stele names a people called Israel in Canaan; its name contains El, not Yahweh.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/origins-of-israel/"
    },
    {
     "id": "samaritans",
     "kind": "offshoot",
     "name": "Samaritans",
     "parent": "israel",
     "start": -450,
     "end": null,
     "date": "temple on Gerizim, mid-5th c. BCE",
     "note": "A Yahweh temple on Mount Gerizim above Shechem; destroyed by John Hyrcanus c. 110 BCE. The community keeps its own Torah and survives today.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/persian-yehud-and-the-torah/#samaria-and-mount-gerizim"
    },
    {
     "id": "sadducees",
     "kind": "extinct",
     "name": "Sadducees",
     "parent": "israel",
     "start": -150,
     "end": 70,
     "date": "2nd c. BCE – 70 CE",
     "note": "The priestly party; rejected resurrection and the Pharisees' oral tradition. Disappears with the Temple.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/second-temple-judaism/#the-schools-pharisees-sadducees-essenes"
    },
    {
     "id": "essenes",
     "kind": "extinct",
     "name": "Essenes and the Qumran community",
     "parent": "israel",
     "start": -100,
     "end": 68,
     "date": "c. 100 BCE – 68 CE",
     "note": "Settlement at Qumran from c. 100 BCE on Magness's dating; the Dead Sea Scrolls are its library and others'.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/second-temple-judaism/#the-schools-pharisees-sadducees-essenes"
    },
    {
     "id": "pharisees",
     "kind": "mark",
     "name": "Pharisees, the rabbis' forerunners",
     "parent": "israel",
     "start": -150,
     "end": null,
     "date": "2nd c. BCE",
     "note": "The school of oral tradition and lay piety from which rabbinic Judaism later grew.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/second-temple-judaism/#the-schools-pharisees-sadducees-essenes"
    },
    {
     "id": "rabbinic",
     "kind": "mark",
     "name": "Rabbinic Judaism: prayer, Mishnah, Talmud",
     "parent": "israel",
     "start": 90,
     "end": null,
     "date": "after 70 CE",
     "note": "With the Temple gone, the rabbis' Judaism of synagogue, study and law slowly becomes the mainstream; the Mishnah c. 200, the Talmuds c. 400 and 500–700.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/rabbis-mishnah-talmud/#yavneh-what-happened-and-what-did-not"
    },
    {
     "id": "karaites",
     "kind": "branch",
     "name": "Karaites",
     "parent": "israel",
     "start": 765,
     "end": null,
     "date": "c. 760s",
     "note": "Anan ben David breaks with the rabbinic leadership in Baghdad: Scripture without the Oral Torah. A small community survives.",
     "confidence": "majority",
     "url": "https://howitevolved.com/judaism/jews-under-islam/#the-karaites-scripture-alone"
    },
    {
     "id": "ashkenaz-sepharad",
     "kind": "mark",
     "name": "Ashkenaz and Sepharad: two Jewish worlds",
     "parent": "israel",
     "start": 1000,
     "end": null,
     "date": "c. 1000",
     "note": "Gershom of Mainz teaches in the Rhineland; Spain under Islam produces its own rite, poetry and philosophy.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/ashkenazi-sephardic-kabbalah/#two-jewish-worlds-what-ashkenaz-and-sepharad-mean"
    },
    {
     "id": "sabbateans",
     "kind": "extinct",
     "name": "Sabbateans",
     "parent": "israel",
     "start": 1665,
     "end": 1760,
     "date": "1665",
     "note": "Sabbatai Zevi proclaimed Messiah at Gaza; converts to Islam in 1666. Secret followers persist: the Dönme of Salonica (1683) and the Frankists in Poland (1756).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/sabbatai-zevi-and-the-rise-of-hasidism/#the-underground-sabbateans-and-frankists"
    },
    {
     "id": "hasidism",
     "kind": "branch",
     "name": "Hasidism",
     "parent": "israel",
     "start": 1746,
     "end": null,
     "date": "1740s–1760s",
     "note": "The Baal Shem Tov's circle at Międzybóż becomes a movement under the Maggid of Mezeritch (d. 1772); the tsaddik as mediator.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/sabbatai-zevi-and-the-rise-of-hasidism/#from-a-circle-to-a-movement"
    },
    {
     "id": "mitnagdim",
     "kind": "mark",
     "name": "Mitnagdim: the Vilna Gaon bans the Hasidim",
     "parent": "israel",
     "start": 1772,
     "end": null,
     "date": "1772",
     "note": "First excommunication of the Hasidim in Vilna; the traditionalist mainstream defines itself against them.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/sabbatai-zevi-and-the-rise-of-hasidism/#the-opposition-the-vilna-gaon-and-the-mitnagdim"
    },
    {
     "id": "chabad",
     "kind": "branch",
     "name": "Chabad-Lubavitch",
     "parent": "hasidism",
     "start": 1796,
     "end": null,
     "date": "1796",
     "note": "Shneur Zalman of Liadi's Tanya (1796); arrested by Russia in 1798 and 1800. After Schneerson's death in 1994 part of the movement proclaimed him Messiah.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/sabbatai-zevi-and-the-rise-of-hasidism/"
    },
    {
     "id": "reform",
     "kind": "branch",
     "name": "Reform Judaism",
     "parent": "israel",
     "start": 1810,
     "end": null,
     "date": "1810 · 1818",
     "note": "Jacobson's service with organ and German sermon at Seesen (1810); the Hamburg Temple (1818) and the rabbinic ban that answered it.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/reform-orthodox-conservative-origins/#reform-from-changing-worship-to-changing-doctrine"
    },
    {
     "id": "conservative",
     "kind": "branch",
     "name": "Conservative Judaism",
     "parent": "reform",
     "start": 1845,
     "end": null,
     "date": "1845 · 1886",
     "note": "Zacharias Frankel walks out of the Reform conference of 1845; the Jewish Theological Seminary opens in New York in 1886.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/reform-orthodox-conservative-origins/#the-middle-way-frankel-graetz-and-the-science-of-judaism"
    },
    {
     "id": "orthodox",
     "kind": "mark",
     "name": "Orthodoxy becomes a movement",
     "parent": "israel",
     "start": 1876,
     "end": null,
     "date": "1795 (the name) · 1876",
     "note": "'Orthodox' is applied to Jews in 1795; Hirsch's congregation secedes in Frankfurt under Prussia's secession law of 1876.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/reform-orthodox-conservative-origins/#orthodoxy-tradition-becomes-a-movement"
    },
    {
     "id": "zionism",
     "kind": "current",
     "name": "Zionism",
     "parent": "israel",
     "start": 1897,
     "end": null,
     "date": "1897",
     "note": "The First Zionist Congress at Basel, led mostly by secular Jews; most Orthodox and Reform rabbis opposed it at first.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/zionism-holocaust-and-israel/#herzl-and-political-zionism-a-secular-movement"
    },
    {
     "id": "religious-zionism",
     "kind": "branch",
     "name": "Religious Zionism (Mizrachi)",
     "parent": "zionism",
     "start": 1902,
     "end": null,
     "date": "1902",
     "note": "Founded in Vilna by Rabbi Reines; Rav Kook reads the secular pioneers as unwitting agents of redemption; Gush Emunim follows in 1974.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/zionism-holocaust-and-israel/"
    },
    {
     "id": "agudath",
     "kind": "mark",
     "name": "Agudath Israel: Haredi Orthodoxy organises",
     "parent": "israel",
     "start": 1912,
     "end": null,
     "date": "1912",
     "note": "The non-Zionist Orthodox organisation founded at Kattowitz; Neturei Karta breaks from it in 1938.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/zionism-holocaust-and-israel/"
    },
    {
     "id": "humanistic",
     "kind": "branch",
     "name": "Humanistic Judaism",
     "parent": "reform",
     "start": 1963,
     "end": null,
     "date": "1963",
     "note": "Sherwin Wine's congregation near Detroit, with services that omit God.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/judaism/judaism-today/"
    }
   ]
  },
  {
   "key": "christianity",
   "name": "Christianity",
   "span": "c. 30 CE – present",
   "today": {
    "count": 2300000000,
    "text": "about 2.3 billion Christians (2020)",
    "source": "Pew Research Center, 2025 · Christianity §13"
   },
   "chapters": [
    {
     "n": 1,
     "title": "The World of Jesus",
     "start": -63,
     "end": 30,
     "url": "https://howitevolved.com/christianity/world-of-jesus/"
    },
    {
     "n": 2,
     "title": "The Historical Jesus",
     "start": -6,
     "end": 33,
     "url": "https://howitevolved.com/christianity/historical-jesus/"
    },
    {
     "n": 3,
     "title": "Paul and the Gentile Mission",
     "start": 30,
     "end": 64,
     "url": "https://howitevolved.com/christianity/paul-the-apostle/"
    },
    {
     "n": 4,
     "title": "After the Temple",
     "start": 70,
     "end": 150,
     "url": "https://howitevolved.com/christianity/when-were-the-gospels-written/"
    },
    {
     "n": 5,
     "title": "Many Christianities",
     "start": 130,
     "end": 312,
     "url": "https://howitevolved.com/christianity/gnostics-heresy-new-testament-canon/"
    },
    {
     "n": 6,
     "title": "Constantine, the Creeds and the Councils",
     "start": 312,
     "end": 451,
     "url": "https://howitevolved.com/christianity/constantine-council-of-nicaea/"
    },
    {
     "n": 7,
     "title": "Beyond Rome",
     "start": 300,
     "end": 1400,
     "url": "https://howitevolved.com/christianity/church-of-the-east-ethiopia-india-china/"
    },
    {
     "n": 8,
     "title": "The Medieval West",
     "start": 500,
     "end": 1300,
     "url": "https://howitevolved.com/christianity/great-schism-medieval-church/"
    },
    {
     "n": 9,
     "title": "Reformations",
     "start": 1517,
     "end": 1648,
     "url": "https://howitevolved.com/christianity/martin-luther-reformation/"
    },
    {
     "n": 10,
     "title": "Mission and Empire",
     "start": 1492,
     "end": 1900,
     "url": "https://howitevolved.com/christianity/missionaries-colonialism-christianity/"
    },
    {
     "n": 11,
     "title": "Revival, Reason and Criticism",
     "start": 1650,
     "end": 1900,
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/"
    },
    {
     "n": 12,
     "title": "The Twentieth Century",
     "start": 1900,
     "end": 1990,
     "url": "https://howitevolved.com/christianity/pentecostalism-vatican-ii-20th-century-christianity/"
    },
    {
     "n": 13,
     "title": "Christianity Today",
     "start": 1990,
     "end": 2026,
     "url": "https://howitevolved.com/christianity/how-many-christians-are-there/"
    }
   ],
   "firsts": [
    {
     "idea": "A crucified Messiah raised from the dead",
     "year": 33,
     "date": "within a few years of c. 30–33 CE",
     "source": "1 Corinthians 15:3–8, a creed Paul says he \"received\"",
     "note": "The oldest datable statement of Christian belief: Christ died, was buried, was raised and appeared to Cephas, the Twelve, James and others. The belief is dated; the event is outside historical method.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/historical-jesus/"
    },
    {
     "idea": "Gentile believers without circumcision",
     "year": 48,
     "date": "c. 48–49 CE",
     "source": "Galatians 2:1–10",
     "note": "The Jerusalem \"pillars\" agree that Paul's gentile converts need not be circumcised; the Antioch quarrel that follows shows how much was left unsettled.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/paul-the-apostle/"
    },
    {
     "idea": "Jesus addressed in prayer as Lord",
     "year": 50,
     "date": "by c. 50 CE (formula older)",
     "source": "1 Corinthians 16:22: maranatha, \"Our Lord, come!\"",
     "note": "An Aramaic prayer left untranslated in a Greek letter, so it goes back to Aramaic-speaking followers. How early this amounts to worship of Jesus as divine is debated.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/paul-the-apostle/"
    },
    {
     "idea": "The words over the bread and cup",
     "year": 54,
     "date": "c. 54 CE",
     "source": "1 Corinthians 11:23–26",
     "note": "Paul's account of the last meal, introduced as a tradition he had received, is older than any Gospel.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/historical-jesus/"
    },
    {
     "idea": "A written Gospel",
     "year": 70,
     "date": "c. 66–74 CE",
     "source": "The Gospel of Mark",
     "note": "The first narrative of Jesus' life, written around the Roman destruction of the Temple; Matthew and Luke later used it.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/when-were-the-gospels-written/"
    },
    {
     "idea": "The name \"Christians\"",
     "year": 85,
     "date": "Acts, c. 80–90 CE (event earlier)",
     "source": "Acts 11:26: \"in Antioch the disciples were first called Christians\"",
     "note": "Christianoi, \"Christ people\", is attached to Antioch by Acts; the movement was still a Jewish group when the name appeared.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/when-were-the-gospels-written/"
    },
    {
     "idea": "\"Christianity\" set against \"Judaism\"",
     "year": 110,
     "date": "c. 110 CE",
     "source": "Ignatius of Antioch, To the Magnesians 10",
     "note": "The word Christianismos is first attested here, as the opposite of Ioudaismos.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/when-were-the-gospels-written/"
    },
    {
     "idea": "One bishop over each city's church",
     "year": 110,
     "date": "c. 110 CE",
     "source": "Ignatius of Antioch, To the Smyrnaeans 8",
     "note": "Ignatius' letters are the first to insist on a single bishop at the head of each church and the first to speak of the \"catholic church\".",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/when-were-the-gospels-written/"
    },
    {
     "idea": "A fixed list of scripture",
     "year": 144,
     "date": "c. 144 CE",
     "source": "Marcion's canon: one Gospel and ten letters of Paul",
     "note": "Marcion, in Rome, made the first fixed collection of Christian scripture, with no Old Testament; the church's own lists followed.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/gnostics-heresy-new-testament-canon/"
    },
    {
     "idea": "A Sunday service of readings and Eucharist",
     "year": 153,
     "date": "c. 150–155 CE",
     "source": "Justin Martyr, First Apology 67",
     "note": "The first description of a Sunday gathering: the \"memoirs of the apostles\" and the prophets are read, then bread and wine are shared.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/gnostics-heresy-new-testament-canon/"
    },
    {
     "idea": "Four Gospels, and only four",
     "year": 180,
     "date": "c. 180 CE",
     "source": "Irenaeus, Against Heresies 3.1.1 and 3.11.8",
     "note": "Irenaeus names Matthew, Mark, Luke and John and argues there can be neither more nor fewer than four.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/how-we-know/"
    },
    {
     "idea": "God called a trias",
     "year": 180,
     "date": "c. 180 CE",
     "source": "Theophilus of Antioch, To Autolycus 2.15",
     "note": "The first use of the Greek word for a triad of God, his Word and his Wisdom; the doctrine was defined only in the fourth century.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/gnostics-heresy-new-testament-canon/"
    },
    {
     "idea": "Trinitas: three persons, one substance",
     "year": 213,
     "date": "c. 213 CE",
     "source": "Tertullian, Against Praxeas",
     "note": "The Latin vocabulary of the later doctrine appears in an argument against Monarchians.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/gnostics-heresy-new-testament-canon/"
    },
    {
     "idea": "The Son \"of one substance\" with the Father",
     "year": 325,
     "date": "325 CE",
     "source": "The Creed of Nicaea (homoousios)",
     "note": "Nicaea adopted a non-biblical word to exclude Arius; the post-Nicene struggle over it lasted another half century.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/constantine-council-of-nicaea/"
    },
    {
     "idea": "Christ's birth on 25 December",
     "year": 336,
     "date": "336 CE (in the Chronograph of 354)",
     "source": "The Depositio martyrum of the Chronograph of 354",
     "note": "The first secure attestation of the date as a feast in Rome; an earlier mention in Hippolytus is disputed, and why the date was chosen is contested.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/constantine-council-of-nicaea/"
    },
    {
     "idea": "The 27 books of the New Testament",
     "year": 367,
     "date": "367 CE",
     "source": "Athanasius, 39th Festal Letter",
     "note": "The first list of exactly the 27 books; no council of the whole church chose them.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/gnostics-heresy-new-testament-canon/"
    },
    {
     "idea": "Nicene Christianity as the religion of the empire",
     "year": 380,
     "date": "380 CE",
     "source": "Theodosius I, Cunctos populos",
     "note": "Addressed to Constantinople and aimed at rival Christians, the edict was later read and codified as establishing Nicene Christianity across the empire.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/constantine-council-of-nicaea/"
    },
    {
     "idea": "Mary as Theotokos, \"God-bearer\"",
     "year": 431,
     "date": "431 CE",
     "source": "Council of Ephesus",
     "note": "The council deposed Nestorius and affirmed the title Theotokos for Mary.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/constantine-council-of-nicaea/"
    },
    {
     "idea": "Christ \"in two natures\"",
     "year": 451,
     "date": "451 CE",
     "source": "Definition of the Council of Chalcedon",
     "note": "The formula that split the East into Chalcedonian, Oriental Orthodox and Church of the East families.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/constantine-council-of-nicaea/"
    },
    {
     "idea": "A Rule for monks",
     "year": 530,
     "date": "c. 530 CE",
     "source": "The Rule of Benedict",
     "note": "Benedict's Rule, drawing heavily on the anonymous Rule of the Master, became the standard of Western monasticism.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/great-schism-medieval-church/"
    },
    {
     "idea": "Mary Magdalene as the repentant sinner",
     "year": 591,
     "date": "591 CE",
     "source": "Gregory the Great, Homily 33",
     "note": "Gregory merged her with the sinful woman of Luke 7 and Mary of Bethany and read her sins as sexual; the Roman calendar separated them again in 1969.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/great-schism-medieval-church/"
    },
    {
     "idea": "Christianity in Tang China",
     "year": 781,
     "date": "635 CE arrival; stele 781",
     "source": "The Xi'an Stele",
     "note": "Alopen of the Church of the East reached Chang'an in 635; the stele erected in 781 tells the community's story.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/church-of-the-east-ethiopia-india-china/"
    },
    {
     "idea": "The filioque sung in Rome's creed",
     "year": 1014,
     "date": "c. 1014 CE",
     "source": "Roman liturgical practice under Henry II",
     "note": "Long used in Spain and the Frankish church, the addition \"and the Son\" entered the creed at Rome in the early eleventh century.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/great-schism-medieval-church/"
    },
    {
     "idea": "Mutual excommunications of the papal legates and the patriarch",
     "year": 1054,
     "date": "16 July 1054",
     "source": "The bull laid on the altar of Hagia Sophia",
     "note": "One event in a long drift; the sack of Constantinople in 1204 made the break real, and the excommunications were lifted in 1965.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/great-schism-medieval-church/"
    },
    {
     "idea": "Transubstantiation and annual confession",
     "year": 1215,
     "date": "1215 CE",
     "source": "Fourth Lateran Council, canons 1 and 21",
     "note": "The council defined the change of bread and wine and required every adult to confess and receive communion at least once a year.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/great-schism-medieval-church/"
    },
    {
     "idea": "Purgatory set out in a council",
     "year": 1274,
     "date": "1274 CE",
     "source": "Profession of faith accepted at the Second Council of Lyon",
     "note": "Prayers for the dead are early; the noun purgatorium appears in the late twelfth century, and Lyon II gave the first conciliar statement.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/great-schism-medieval-church/"
    },
    {
     "idea": "Justification by faith alone; Scripture as supreme authority",
     "year": 1520,
     "date": "1517–1520",
     "source": "Luther's Ninety-five Theses and treatises of 1520",
     "note": "Luther's programme: sinners are justified by faith, Scripture stands above popes and councils, and all baptised believers are priests.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/martin-luther-reformation/"
    },
    {
     "idea": "Adult baptism of believers",
     "year": 1525,
     "date": "January 1525",
     "source": "First adult baptisms in Zurich",
     "note": "The Anabaptist movement begins, rejecting infant baptism.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/martin-luther-reformation/"
    },
    {
     "idea": "Indigenous Americans declared rational and free",
     "year": 1537,
     "date": "1537",
     "source": "Paul III, Sublimis Deus",
     "note": "The bull declared that the peoples of the Americas were truly human and could not be deprived of liberty or property.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/missionaries-colonialism-christianity/"
    },
    {
     "idea": "The canon fixed as dogma, with the deuterocanonical books",
     "year": 1546,
     "date": "April 1546",
     "source": "Council of Trent, Session IV",
     "note": "Trent defined the list of biblical books as a matter of faith for the first time.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/martin-luther-reformation/"
    },
    {
     "idea": "The heart \"strangely warmed\": evangelical conversion",
     "year": 1738,
     "date": "24 May 1738",
     "source": "John Wesley's journal, Aldersgate Street",
     "note": "The experience at the root of Methodism and of the evangelical religion of the heart.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/"
    },
    {
     "idea": "A historical Jesus written against the Gospels",
     "year": 1774,
     "date": "1774–1778",
     "source": "Reimarus' fragments, published by Lessing",
     "note": "The first attempt to reconstruct the historical Jesus in opposition to the Gospel accounts.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/"
    },
    {
     "idea": "A pre-tribulation Rapture",
     "year": 1832,
     "date": "early 1830s",
     "source": "John Nelson Darby among the Brethren",
     "note": "Darby developed the teaching that believers will be caught up before a final tribulation; the Scofield Reference Bible spread it from 1909.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/"
    },
    {
     "idea": "Mary's Immaculate Conception defined",
     "year": 1854,
     "date": "1854",
     "source": "Pius IX, Ineffabilis Deus",
     "note": "Defined as dogma for Catholics, long after it had become a widespread belief.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/"
    },
    {
     "idea": "Papal infallibility",
     "year": 1870,
     "date": "18 July 1870",
     "source": "First Vatican Council, Pastor aeternus",
     "note": "The council defined that the pope speaking ex cathedra on faith and morals is infallible.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/"
    },
    {
     "idea": "Speaking in tongues as Spirit baptism",
     "year": 1901,
     "date": "1 January 1901",
     "source": "Agnes Ozman at Parham's Bethel Bible School, Topeka",
     "note": "One of several starting points of Pentecostalism; the Azusa Street revival followed from 1906.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/pentecostalism-vatican-ii-20th-century-christianity/"
    },
    {
     "idea": "A woman ordained priest in the Anglican Communion",
     "year": 1944,
     "date": "1944",
     "source": "Florence Li Tim-Oi, Hong Kong",
     "note": "Ordained in a wartime emergency; the Church of England ordained women priests from 1994.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/pentecostalism-vatican-ii-20th-century-christianity/"
    },
    {
     "idea": "The Mass in the vernacular",
     "year": 1963,
     "date": "1963",
     "source": "Second Vatican Council, Sacrosanctum Concilium 36",
     "note": "The council allowed the use of the vernacular to be extended; the reformed Mass of 1969–1970 then replaced Latin almost everywhere.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/pentecostalism-vatican-ii-20th-century-christianity/"
    },
    {
     "idea": "Collective Jewish guilt for the crucifixion rejected",
     "year": 1965,
     "date": "28 October 1965",
     "source": "Second Vatican Council, Nostra Aetate 4",
     "note": "The council rejected charging the Jews, then or now, with Christ's death.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/pentecostalism-vatican-ii-20th-century-christianity/"
    }
   ],
   "tree": [
    {
     "id": "jesus",
     "kind": "trunk",
     "name": "The Jesus movement, a Jewish sect",
     "parent": null,
     "start": 30,
     "end": null,
     "date": "c. 30 CE",
     "note": "Jesus of Nazareth crucified under Pilate, probably in 30 or 33; his followers proclaim him raised.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/historical-jesus/"
    },
    {
     "id": "gentile",
     "kind": "mark",
     "name": "Gentile churches without the Law",
     "parent": "jesus",
     "start": 49,
     "end": null,
     "date": "c. 48–49",
     "note": "The Jerusalem 'pillars' agree to Paul's gentile mission; believers need not be circumcised.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/paul-the-apostle/"
    },
    {
     "id": "ebionites",
     "kind": "extinct",
     "name": "Ebionites: Jewish believers who kept the Law",
     "parent": "jesus",
     "start": 135,
     "end": 400,
     "date": "described c. 180",
     "note": "Irenaeus describes them around 180; Jewish believers persisted for centuries after the parting of the ways.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/when-were-the-gospels-written/"
    },
    {
     "id": "valentinians",
     "kind": "extinct",
     "name": "Valentinians and the 'Gnostics'",
     "parent": "jesus",
     "start": 136,
     "end": 400,
     "date": "c. 136",
     "note": "Valentinus teaches in Rome from c. 136; whether 'Gnosticism' was one movement is disputed.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/gnostics-heresy-new-testament-canon/#gnosticism-as-a-label"
    },
    {
     "id": "marcionites",
     "kind": "extinct",
     "name": "Marcionites",
     "parent": "jesus",
     "start": 144,
     "end": 400,
     "date": "c. 144",
     "note": "Marcion breaks with the Roman church with the first fixed list of Christian scripture; a 'synagogue of the Marcionites' is still inscribed in Syria in 318–319.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/gnostics-heresy-new-testament-canon/"
    },
    {
     "id": "montanists",
     "kind": "extinct",
     "name": "New Prophecy (Montanists)",
     "parent": "jesus",
     "start": 165,
     "end": 350,
     "date": "c. 157–172",
     "note": "Montanus, Priscilla and Maximilla prophesy in Phrygia.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/gnostics-heresy-new-testament-canon/#the-new-prophecy-montanus-priscilla-and-maximilla"
    },
    {
     "id": "beyond-rome",
     "kind": "mark",
     "name": "Christian kingdoms beyond Rome: Armenia, Georgia, Aksum",
     "parent": "jesus",
     "start": 320,
     "end": null,
     "date": "c. 314–340s",
     "note": "Gregory the Illuminator consecrated c. 314; Ezana of Aksum and the Georgian court convert in the 330s.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/church-of-the-east-ethiopia-india-china/#armenia"
    },
    {
     "id": "imperial",
     "kind": "mark",
     "name": "The imperial church: Nicaea and the creeds",
     "parent": "jesus",
     "start": 325,
     "end": null,
     "date": "312–381",
     "note": "Constantine's conversion; the Council of Nicaea (325); Nicene Christianity required by Theodosius (380).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/constantine-council-of-nicaea/"
    },
    {
     "id": "donatists",
     "kind": "extinct",
     "name": "Donatists",
     "parent": "jesus",
     "start": 313,
     "end": 600,
     "date": "313",
     "note": "The North African schism over clergy who had lapsed in persecution, heard at Rome and Arles at Constantine's request.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/constantine-council-of-nicaea/"
    },
    {
     "id": "church-of-the-east",
     "kind": "branch",
     "name": "Church of the East",
     "parent": "jesus",
     "start": 424,
     "end": null,
     "date": "410 · 424",
     "note": "The Persian church organises under its own catholicos (410) and rejects appeals to 'the Western fathers' (424). It reaches China in 635 and India's Thomas Christians.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/church-of-the-east-ethiopia-india-china/#the-church-of-the-east"
    },
    {
     "id": "thomas-christians",
     "kind": "mark",
     "name": "Thomas Christians of Kerala",
     "parent": "church-of-the-east",
     "start": 849,
     "end": null,
     "date": "copper plates, 849",
     "note": "The Tharisapalli plates grant land to a church at Quilon; brought under Portuguese Latin control at Diamper in 1599.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/church-of-the-east-ethiopia-india-china/#india-the-thomas-christians"
    },
    {
     "id": "oriental-orthodox",
     "kind": "branch",
     "name": "Oriental Orthodox churches",
     "parent": "jesus",
     "start": 451,
     "end": null,
     "date": "451",
     "note": "The churches of Egypt, Syria, Armenia (Dvin, 554) and Ethiopia reject the Council of Chalcedon's 'two natures'.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/constantine-council-of-nicaea/#three-families-of-churches"
    },
    {
     "id": "orthodox",
     "kind": "branch",
     "name": "Eastern Orthodox churches",
     "parent": "jesus",
     "start": 1054,
     "end": null,
     "date": "1054",
     "note": "Mutual excommunications in Hagia Sophia on 16 July 1054; the estrangement was already centuries old and the Fourth Crusade's sack of Constantinople (1204) made it final.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/great-schism-medieval-church/"
    },
    {
     "id": "rus",
     "kind": "mark",
     "name": "Baptism of Rus'",
     "parent": "jesus",
     "start": 988,
     "end": null,
     "date": "c. 988",
     "note": "Vladimir of Kiev is baptised; the year is disputed. The Russian church stands on the Orthodox side after 1054.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/great-schism-medieval-church/"
    },
    {
     "id": "latin",
     "kind": "mark",
     "name": "The Latin (Catholic) church",
     "parent": "jesus",
     "start": 1075,
     "end": null,
     "date": "1054 · 1075",
     "note": "Gregory VII's Dictatus papae claims the pope may depose emperors; the papal monarchy of the high Middle Ages.",
     "confidence": "majority",
     "url": "https://howitevolved.com/christianity/great-schism-medieval-church/"
    },
    {
     "id": "cathars",
     "kind": "extinct",
     "name": "Cathars",
     "parent": "jesus",
     "start": 1160,
     "end": 1320,
     "date": "12th–14th c.",
     "note": "Crushed by the Albigensian Crusade (1209–29) and the inquisitions; whether 'Catharism' was one coherent religion or an inquisitors' construction is disputed.",
     "confidence": "contested",
     "url": "https://howitevolved.com/christianity/great-schism-medieval-church/#the-cathars"
    },
    {
     "id": "friars",
     "kind": "mark",
     "name": "The friars: Dominicans and Franciscans",
     "parent": "jesus",
     "start": 1216,
     "end": null,
     "date": "1216 · 1223",
     "note": "Orders of preaching and poverty for the new towns; Dominican friars staff the inquisitions from 1231.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/great-schism-medieval-church/#friars-and-the-new-towns"
    },
    {
     "id": "hussites",
     "kind": "branch",
     "name": "Hussites",
     "parent": "jesus",
     "start": 1415,
     "end": null,
     "date": "1415",
     "note": "Jan Hus burned at the Council of Constance; the Bohemian Brethren who followed re-emerge as the Moravians.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/martin-luther-reformation/"
    },
    {
     "id": "moravians",
     "kind": "mark",
     "name": "Moravians at Herrnhut",
     "parent": "hussites",
     "start": 1727,
     "end": null,
     "date": "1722–1727",
     "note": "Refugees settle on Zinzendorf's estate; the first Moravian missionaries sail in 1732.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/"
    },
    {
     "id": "lutheran",
     "kind": "branch",
     "name": "Lutheran",
     "parent": "jesus",
     "start": 1517,
     "end": null,
     "date": "1517",
     "note": "Luther's Ninety-five Theses (31 October 1517); the Augsburg Confession (1530); princes choose at Augsburg (1555).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/martin-luther-reformation/"
    },
    {
     "id": "reformed",
     "kind": "branch",
     "name": "Reformed (Zwingli, Calvin)",
     "parent": "lutheran",
     "start": 1522,
     "end": null,
     "date": "1522 · 1536",
     "note": "Zwingli's reform begins in Zurich (1522); Luther and Zwingli fail to agree at Marburg (1529); Calvin's Institutes (1536).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/martin-luther-reformation/"
    },
    {
     "id": "anabaptists",
     "kind": "branch",
     "name": "Anabaptists (Mennonites, Amish)",
     "parent": "reformed",
     "start": 1525,
     "end": null,
     "date": "January 1525",
     "note": "First adult baptisms in Zurich; radical Anabaptists hold Münster in 1534–35; the pacifist majority survives as the Mennonites.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/martin-luther-reformation/#the-anabaptists"
    },
    {
     "id": "anglican",
     "kind": "branch",
     "name": "Anglican (Church of England)",
     "parent": "jesus",
     "start": 1534,
     "end": null,
     "date": "1534",
     "note": "The Act of Supremacy makes Henry VIII 'supreme head' of the Church of England; the Elizabethan settlement (1559–63).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/martin-luther-reformation/"
    },
    {
     "id": "trent",
     "kind": "mark",
     "name": "Catholic reform: Trent and the Jesuits",
     "parent": "jesus",
     "start": 1545,
     "end": null,
     "date": "1540 · 1545–1563",
     "note": "The Society of Jesus approved (1540); the Council of Trent answers the reformers point by point.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/martin-luther-reformation/#the-jesuits"
    },
    {
     "id": "evangelical",
     "kind": "current",
     "name": "Evangelical revivals",
     "parent": "anglican",
     "start": 1738,
     "end": null,
     "date": "1734–1741",
     "note": "Edwards at Northampton (1734–35), Wesley's heart 'strangely warmed' (1738), Whitefield's tours; a religion of conversion that crosses the Protestant churches.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/"
    },
    {
     "id": "methodist",
     "kind": "branch",
     "name": "Methodist",
     "parent": "evangelical",
     "start": 1784,
     "end": null,
     "date": "1784",
     "note": "Wesley ordains ministers for America; the Methodist Episcopal Church is founded in Baltimore. The African Methodist Episcopal Church follows in 1816.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/#wesley-and-methodism"
    },
    {
     "id": "latter-day-saints",
     "kind": "offshoot",
     "name": "Latter-day Saints (Mormons)",
     "parent": "evangelical",
     "start": 1830,
     "end": null,
     "date": "1830",
     "note": "The Book of Mormon published and Joseph Smith's church organised in the 'burned-over district' of New York.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/#new-churches-from-the-american-frontier"
    },
    {
     "id": "oxford-movement",
     "kind": "mark",
     "name": "The Oxford Movement",
     "parent": "anglican",
     "start": 1833,
     "end": null,
     "date": "1833",
     "note": "Keble's 'National Apostasy' sermon; Anglo-Catholic revival; Newman becomes a Catholic in 1845.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/"
    },
    {
     "id": "adventists",
     "kind": "branch",
     "name": "Seventh-day Adventists",
     "parent": "evangelical",
     "start": 1863,
     "end": null,
     "date": "1844 · 1863",
     "note": "The Millerites' 'Great Disappointment' of 22 October 1844; the church organised in 1863.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/#new-churches-from-the-american-frontier"
    },
    {
     "id": "jehovahs-witnesses",
     "kind": "offshoot",
     "name": "Jehovah's Witnesses",
     "parent": "adventists",
     "start": 1879,
     "end": null,
     "date": "1879",
     "note": "Charles Taze Russell's Zion's Watch Tower, from the same Adventist expectation.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/#new-churches-from-the-american-frontier"
    },
    {
     "id": "vatican-i",
     "kind": "mark",
     "name": "Papal infallibility defined",
     "parent": "jesus",
     "start": 1870,
     "end": null,
     "date": "1854 · 1870",
     "note": "The Immaculate Conception (1854) and the First Vatican Council (1870): the papacy's answer to the modern state.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/revivals-enlightenment-rapture/"
    },
    {
     "id": "pentecostal",
     "kind": "branch",
     "name": "Pentecostal",
     "parent": "methodist",
     "start": 1906,
     "end": null,
     "date": "1901 · 1906",
     "note": "Speaking in tongues at Parham's school in Topeka (1901); the Azusa Street revival under William Seymour (1906); the Assemblies of God (1914). Hundreds of millions today.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/pentecostalism-vatican-ii-20th-century-christianity/#pentecostalism-a-new-kind-of-christianity"
    },
    {
     "id": "fundamentalism",
     "kind": "mark",
     "name": "Fundamentalism",
     "parent": "evangelical",
     "start": 1912,
     "end": null,
     "date": "1910–1915",
     "note": "The Fundamentals distributed free; the Scopes trial (1925).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/pentecostalism-vatican-ii-20th-century-christianity/#the-fundamentals"
    },
    {
     "id": "african-initiated",
     "kind": "branch",
     "name": "African-initiated churches",
     "parent": "pentecostal",
     "start": 1921,
     "end": null,
     "date": "1892 · 1921",
     "note": "The Ethiopian Church in Pretoria (1892); Kimbangu's healing ministry in Congo (1921); the Aladura churches of Nigeria; the Zion Christian Church (1924).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/pentecostalism-vatican-ii-20th-century-christianity/"
    },
    {
     "id": "wcc",
     "kind": "mark",
     "name": "World Council of Churches",
     "parent": "lutheran",
     "start": 1948,
     "end": null,
     "date": "1948",
     "note": "Founded in Amsterdam; the ecumenical movement that began at Edinburgh in 1910.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/pentecostalism-vatican-ii-20th-century-christianity/#the-ecumenical-movement"
    },
    {
     "id": "vatican-ii",
     "kind": "mark",
     "name": "Second Vatican Council",
     "parent": "jesus",
     "start": 1964,
     "end": null,
     "date": "1962–1965",
     "note": "Mass in the vernacular, religious freedom affirmed, collective Jewish guilt rejected.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/pentecostalism-vatican-ii-20th-century-christianity/"
    },
    {
     "id": "liberation",
     "kind": "mark",
     "name": "Liberation theology",
     "parent": "jesus",
     "start": 1971,
     "end": null,
     "date": "1968 · 1971",
     "note": "The bishops at Medellín (1968); Gutiérrez's A Theology of Liberation (1971); two Vatican instructions against it (1984, 1986).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/pentecostalism-vatican-ii-20th-century-christianity/#liberation-theology"
    },
    {
     "id": "gafcon",
     "kind": "mark",
     "name": "GAFCON: the Anglican Communion divides",
     "parent": "anglican",
     "start": 2008,
     "end": null,
     "date": "2008 · 2023",
     "note": "Conservative Anglicans meet in Jerusalem (2008); in 2023 they reject the Archbishop of Canterbury's leadership.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/christianity/how-many-christians-are-there/#the-anglican-communion"
    },
    {
     "id": "ukraine",
     "kind": "mark",
     "name": "Moscow breaks with Constantinople over Ukraine",
     "parent": "orthodox",
     "start": 2018,
     "end": null,
     "date": "2018–2019",
     "note": "The Orthodox Church of Ukraine receives autocephaly (January 2019); Moscow had broken communion in October 2018.",
     "confidence": "political",
     "url": "https://howitevolved.com/christianity/how-many-christians-are-there/#orthodoxy-and-ukraine-political"
    }
   ]
  },
  {
   "key": "islam",
   "name": "Islam",
   "span": "c. 300 CE – present",
   "today": {
    "count": 2000000000,
    "text": "about 2 billion Muslims (2020)",
    "source": "Pew Research Center, 2025 · Islam §13"
   },
   "chapters": [
    {
     "n": 1,
     "title": "Late Antique Arabia",
     "start": 300,
     "end": 610,
     "url": "https://howitevolved.com/islam/pre-islamic-arabia/"
    },
    {
     "n": 2,
     "title": "Muhammad",
     "start": 570,
     "end": 632,
     "url": "https://howitevolved.com/islam/historical-muhammad/"
    },
    {
     "n": 3,
     "title": "The Qur'an",
     "start": 610,
     "end": 700,
     "url": "https://howitevolved.com/islam/when-was-the-quran-written/"
    },
    {
     "n": 4,
     "title": "The Conquests and the First Caliphs",
     "start": 632,
     "end": 661,
     "url": "https://howitevolved.com/islam/early-muslim-conquests-rashidun-caliphs/"
    },
    {
     "n": 5,
     "title": "The Umayyads",
     "start": 661,
     "end": 750,
     "url": "https://howitevolved.com/islam/umayyad-caliphate-dome-of-the-rock/"
    },
    {
     "n": 6,
     "title": "The Abbasids: Law, Hadith and Theology",
     "start": 750,
     "end": 1000,
     "url": "https://howitevolved.com/islam/abbasid-caliphate-sharia-sunni-shia/"
    },
    {
     "n": 7,
     "title": "The Mystics: Sufism",
     "start": 700,
     "end": 1300,
     "url": "https://howitevolved.com/islam/sufism-history-sufi-orders/"
    },
    {
     "n": 8,
     "title": "Turks, Crusaders and Mongols",
     "start": 1000,
     "end": 1400,
     "url": "https://howitevolved.com/islam/seljuks-crusades-mongols-islam/"
    },
    {
     "n": 9,
     "title": "The Great Empires: Ottomans, Safavids, Mughals",
     "start": 1400,
     "end": 1800,
     "url": "https://howitevolved.com/islam/ottoman-safavid-mughal-empires/"
    },
    {
     "n": 10,
     "title": "Reform, Revival and Empire",
     "start": 1700,
     "end": 1920,
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/"
    },
    {
     "n": 11,
     "title": "The Twentieth Century",
     "start": 1920,
     "end": 1979,
     "url": "https://howitevolved.com/islam/caliphate-abolition-islamism-twentieth-century/"
    },
    {
     "n": 12,
     "title": "Revolution and Revival",
     "start": 1979,
     "end": 2001,
     "url": "https://howitevolved.com/islam/iranian-revolution-islamic-revival/"
    },
    {
     "n": 13,
     "title": "Islam Today",
     "start": 2001,
     "end": 2026,
     "url": "https://howitevolved.com/islam/how-many-muslims-are-there/"
    }
   ],
   "firsts": [
    {
     "idea": "A community of believers bound by pact",
     "year": 624,
     "date": "622–627",
     "source": "The \"Constitution of Medina\", preserved in the sīra",
     "note": "Pacts organising Medina's clans, Muhammad's followers and its Jews into one community (umma); most scholars accept the document as early.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/historical-muhammad/"
    },
    {
     "idea": "A Muslim calendar counted from the hijra",
     "year": 643,
     "date": "643 (first dated use); adopted c. 638 by tradition",
     "source": "PERF 558, a Greek–Arabic receipt from Egypt",
     "note": "Twenty-one years after the emigration to Medina, Arab commanders date an official receipt by the Hijri year.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/how-we-know/"
    },
    {
     "idea": "Arabic written with dots to tell letters apart",
     "year": 643,
     "date": "643",
     "source": "PERF 558",
     "note": "The oldest dated Arabic papyrus already uses the dots that early Qur'an copies use only sparingly.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/when-was-the-quran-written/"
    },
    {
     "idea": "A standard written Qur'an",
     "year": 650,
     "date": "c. 650 (r. 644–656)",
     "source": "Collection reports in al-Bukhārī; the shared spelling of early manuscripts",
     "note": "Tradition credits ʿUthmān with a standard codex; one written archetype behind the early copies supports a date around his reign.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/when-was-the-quran-written/"
    },
    {
     "idea": "Leaders called \"commander of the believers\"",
     "year": 677,
     "date": "662–663; 677–678",
     "source": "Hammat Gader and Ṭāʾif dam inscriptions of Muʿāwiya",
     "note": "The caliph's title in public inscriptions, a generation after the conquests; neither names Muhammad.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/umayyad-caliphate-dome-of-the-rock/"
    },
    {
     "idea": "Muhammad named on a dated Muslim document",
     "year": 685,
     "date": "685–686",
     "source": "A silver drachm of Bīshāpūr, Iran",
     "note": "\"In the name of God, Muhammad is the messenger of God\", struck for a governor loyal to Ibn al-Zubayr.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/how-we-know/"
    },
    {
     "idea": "\"Islām\" proclaimed on a public monument",
     "year": 691,
     "date": "691–692",
     "source": "Dome of the Rock inscriptions",
     "note": "Qur'anic verses in public, including \"the religion with God is islām\" and a rejection of the Trinity.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/umayyad-caliphate-dome-of-the-rock/"
    },
    {
     "idea": "The caliph as \"God's deputy\" on coins",
     "year": 693,
     "date": "693–697 (74–77 AH)",
     "source": "\"Standing caliph\" gold coins",
     "note": "Coins with the caliph's standing figure and the title khalīfat Allāh, before the aniconic reform.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/umayyad-caliphate-dome-of-the-rock/"
    },
    {
     "idea": "Coins without images",
     "year": 696,
     "date": "696–697 (77 AH)",
     "source": "ʿAbd al-Malik's reformed dinar",
     "note": "Figures removed; the creed and Qur'anic verses fill both faces.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/umayyad-caliphate-dome-of-the-rock/"
    },
    {
     "idea": "Arabic as the language of government",
     "year": 697,
     "date": "c. 697–700",
     "source": "Umayyad registers of Iraq and Syria",
     "note": "Arabic replaces Persian and Greek in the administration.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/umayyad-caliphate-dome-of-the-rock/"
    },
    {
     "idea": "Hadith of the Prophet as the second source of law",
     "year": 815,
     "date": "before 820",
     "source": "al-Shāfiʿī, Risāla",
     "note": "Al-Shāfiʿī's theory makes reports from the Prophet, beside the Qur'an, binding in law.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/abbasid-caliphate-sharia-sunni-shia/"
    },
    {
     "idea": "The created Qur'an as state doctrine",
     "year": 833,
     "date": "833–c. 848",
     "source": "The miḥna of al-Maʾmūn and his successors",
     "note": "Judges and scholars had to affirm that the Qur'an was created; Ibn Ḥanbal refused.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/abbasid-caliphate-sharia-sunni-shia/"
    },
    {
     "idea": "A collection of only \"sound\" hadith",
     "year": 846,
     "date": "c. 846",
     "source": "al-Bukhārī, al-Ṣaḥīḥ",
     "note": "Later revered by Sunnis as the most authoritative book after the Qur'an.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/abbasid-caliphate-sharia-sunni-shia/"
    },
    {
     "idea": "\"Ṣūfī\" as the name of a circle",
     "year": 850,
     "date": "9th c.",
     "source": "Baghdad's mystics",
     "note": "The word names a recognizable group in ninth-century Baghdad.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/sufism-history-sufi-orders/"
    },
    {
     "idea": "The hidden twelfth imam",
     "year": 874,
     "date": "874; complete occultation 941",
     "source": "Twelver tradition",
     "note": "The eleventh imam dies and his son's occultation begins; after 941 no agent speaks for him.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/abbasid-caliphate-sharia-sunni-shia/"
    },
    {
     "idea": "Organized schools of law",
     "year": 925,
     "date": "c. 900–950",
     "source": "Biographical and legal literature",
     "note": "The Ḥanafī, Mālikī, Shāfiʿī and Ḥanbalī traditions become self-reproducing schools.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/abbasid-caliphate-sharia-sunni-shia/"
    },
    {
     "idea": "Seven canonical readings of the Qur'an",
     "year": 936,
     "date": "before 936",
     "source": "Ibn Mujāhid, Kitāb al-Sabʿa",
     "note": "Seven readers chosen as authoritative; others became \"irregular\".",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/when-was-the-quran-written/"
    },
    {
     "idea": "Public mourning for al-Ḥusayn on ʿĀshūrāʾ",
     "year": 963,
     "date": "963",
     "source": "Reports from Buyid Baghdad",
     "note": "The first public ʿĀshūrāʾ mourning in Baghdad, under a Shia dynasty.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/abbasid-caliphate-sharia-sunni-shia/"
    },
    {
     "idea": "A Sufi handbook for Sunni readers",
     "year": 1045,
     "date": "1045–1046",
     "source": "al-Qushayrī, Risāla",
     "note": "The most widely read Sufi manual, arguing the path fits Sunni law and theology.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/sufism-history-sufi-orders/"
    },
    {
     "idea": "The state-endowed madrasa",
     "year": 1066,
     "date": "1065–1067",
     "source": "The Niẓāmiyya of Baghdad",
     "note": "Niẓām al-Mulk's college, endowed for Shāfiʿī law and Ashʿarī theology.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/seljuks-crusades-mongols-islam/"
    },
    {
     "idea": "Preaching jihad against the Crusaders",
     "year": 1105,
     "date": "1105",
     "source": "al-Sulamī, Book of Jihad",
     "note": "Preached in Damascus six years after the fall of Jerusalem.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/seljuks-crusades-mongols-islam/"
    },
    {
     "idea": "Sufi orders with founders and chains of masters",
     "year": 1166,
     "date": "12th–13th c.",
     "source": "Qādiriyya, Suhrawardiyya, Chishtiyya, Shādhiliyya, Mevleviyya",
     "note": "Organized orders take shape around named masters, lodges and initiation.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/sufism-history-sufi-orders/"
    },
    {
     "idea": "A caliph without power, in Cairo",
     "year": 1261,
     "date": "1261",
     "source": "The Mamluk court",
     "note": "After Baghdad's fall, an Abbasid is proclaimed caliph under Mamluk protection.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/seljuks-crusades-mongols-islam/"
    },
    {
     "idea": "Twelver Shiism as a state religion",
     "year": 1501,
     "date": "1501",
     "source": "Shah Ismāʿīl's proclamation in Tabriz",
     "note": "The Safavids make Iran Shia within about a century.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/ottoman-safavid-mughal-empires/"
    },
    {
     "idea": "Akbar's Dīn-i Ilāhī",
     "year": 1582,
     "date": "c. 1582",
     "source": "Mughal court sources",
     "note": "A circle of discipleship around the emperor; whether it was a religion is debated.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/ottoman-safavid-mughal-empires/"
    },
    {
     "idea": "A pact of preacher and prince",
     "year": 1744,
     "date": "1744",
     "source": "Pact of Dirʿiyya",
     "note": "Ibn ʿAbd al-Wahhāb and Muḥammad ibn Saʿūd join religious reform to a state.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/"
    },
    {
     "idea": "The Ottoman sultan recognised as caliph by treaty",
     "year": 1774,
     "date": "1774",
     "source": "Treaty of Küçük Kaynarca",
     "note": "Russia recognises the sultan's religious authority over the Crimean Tatars as caliph.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/ottoman-safavid-mughal-empires/"
    },
    {
     "idea": "Guarantees for all subjects, of whatever religion",
     "year": 1839,
     "date": "1839",
     "source": "Edict of Gülhane",
     "note": "Gülhane promises every subject security of life, honour and property; the edict of 1856 promises non-Muslims legal equality.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/"
    },
    {
     "idea": "A messiah after Muhammad: the Bāb",
     "year": 1844,
     "date": "1844",
     "source": "The Bāb's announcement in Shiraz",
     "note": "The beginning of the Bābī movement, from which the Bahāʾī faith grew.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/"
    },
    {
     "idea": "Islamic law written as a civil code",
     "year": 1869,
     "date": "1869–1876",
     "source": "The Ottoman Mecelle",
     "note": "Ḥanafī civil law codified in articles.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/"
    },
    {
     "idea": "The Ahmadiyya",
     "year": 1889,
     "date": "1889",
     "source": "Mirza Ghulam Ahmad's first oath of allegiance, Ludhiana",
     "note": "A movement whose Muslim status other Muslims came to dispute.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/"
    },
    {
     "idea": "\"Salafiyya\" as a movement's name",
     "year": 1920,
     "date": "20th c.",
     "source": "History of the term (Lauzière)",
     "note": "The label for ʿAbduh and al-Afghānī is largely a later construction.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/"
    },
    {
     "idea": "A printed standard Qur'an",
     "year": 1924,
     "date": "1924",
     "source": "The Cairo edition",
     "note": "The reading of Ḥafṣ ʿan ʿĀṣim becomes the world standard.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/when-was-the-quran-written/"
    },
    {
     "idea": "No caliph at all",
     "year": 1924,
     "date": "3 March 1924",
     "source": "Turkey's Law No. 431",
     "note": "The Ottoman caliphate abolished.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/caliphate-abolition-islamism-twentieth-century/"
    },
    {
     "idea": "Islam without a caliphate",
     "year": 1925,
     "date": "1925",
     "source": "ʿAlī ʿAbd al-Rāziq, Islam and the Foundations of Governance",
     "note": "An al-Azhar scholar argues Islam requires no caliphate; he is stripped of his rank.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/caliphate-abolition-islamism-twentieth-century/"
    },
    {
     "idea": "Islamism: a movement for an Islamic state",
     "year": 1928,
     "date": "1928",
     "source": "Ḥasan al-Bannā's Muslim Brotherhood",
     "note": "Followed by Mawdūdī's Jamāʿat-i Islāmī (1941) and Quṭb's Milestones (1964).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/caliphate-abolition-islamism-twentieth-century/"
    },
    {
     "idea": "A state defines who is a Muslim",
     "year": 1974,
     "date": "7 September 1974",
     "source": "Pakistan's Second Amendment",
     "note": "A parliament declares the Ahmadiyya non-Muslim.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/caliphate-abolition-islamism-twentieth-century/"
    },
    {
     "idea": "Rule by the jurist",
     "year": 1979,
     "date": "1970 lectures; 1979 constitution",
     "source": "Khomeini's lectures in Najaf; Iran's constitution",
     "note": "A Shia clerical state, new in Shia history.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/iranian-revolution-islamic-revival/"
    },
    {
     "idea": "Women reading the Qur'an for equality",
     "year": 1992,
     "date": "1992",
     "source": "Amina Wadud, Qur'an and Woman",
     "note": "A reading of the Qur'an's verses on gender from the text, not later law.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/iranian-revolution-islamic-revival/"
    },
    {
     "idea": "Mutual recognition of the schools",
     "year": 2005,
     "date": "2004–2005",
     "source": "The Amman Message",
     "note": "Eight schools of law recognised as Muslim, and declaring their followers apostates forbidden.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/how-many-muslims-are-there/"
    },
    {
     "idea": "Scholars answer a self-declared caliph",
     "year": 2014,
     "date": "2014",
     "source": "Open Letter to al-Baghdadi",
     "note": "More than 120 scholars reject the \"Islamic State\" on classical grounds.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/how-many-muslims-are-there/"
    }
   ],
   "tree": [
    {
     "id": "muhammad",
     "kind": "trunk",
     "name": "Muhammad's community",
     "parent": null,
     "start": 610,
     "end": null,
     "date": "c. 610 (first revelation, by tradition)",
     "note": "Recitations in Mecca from c. 610; the community at Medina from 622; Muhammad dies in 632.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/historical-muhammad/"
    },
    {
     "id": "shia",
     "kind": "branch",
     "name": "Shia: the party of ʿAlī",
     "parent": "muhammad",
     "start": 656,
     "end": null,
     "date": "656–661",
     "note": "The first civil war leaves the parties that later became Sunni, Shia and Khārijite; al-Ḥusayn killed at Karbalāʾ (680). Separate communities form over the 9th–10th centuries.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/early-muslim-conquests-rashidun-caliphs/#the-seed-of-sunni-and-shia"
    },
    {
     "id": "kharijites",
     "kind": "branch",
     "name": "Khārijites, surviving as the Ibāḍīs",
     "parent": "muhammad",
     "start": 657,
     "end": null,
     "date": "657",
     "note": "'Judgment belongs to God alone': those who left ʿAlī after the arbitration at Ṣiffīn; ʿAlī is killed by one in 661. The moderate Ibāḍī wing survives in Oman and North Africa.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/early-muslim-conquests-rashidun-caliphs/#ṣiffīn-the-arbitration-and-the-khārijites"
    },
    {
     "id": "umayyad",
     "kind": "mark",
     "name": "The Umayyad state gives Islam a public face",
     "parent": "muhammad",
     "start": 691,
     "end": null,
     "date": "661 · 691–697",
     "note": "The Dome of the Rock (691–692); coins without images (696–697); Arabic as the language of government.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/umayyad-caliphate-dome-of-the-rock/"
    },
    {
     "id": "zaydis",
     "kind": "branch",
     "name": "Zaydīs",
     "parent": "shia",
     "start": 740,
     "end": null,
     "date": "740",
     "note": "Zayd ibn ʿAlī rises in Kufa and is killed; Zaydī imams rule in northern Yemen from the 890s.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/abbasid-caliphate-sharia-sunni-shia/#zaydīs"
    },
    {
     "id": "ismailis",
     "kind": "branch",
     "name": "Ismāʿīlīs",
     "parent": "shia",
     "start": 765,
     "end": null,
     "date": "765 · 909",
     "note": "The succession to Jaʿfar al-Ṣādiq divides the Shia; the Ismāʿīlī Fatimids proclaim a rival caliphate (909) and rule Egypt from 969 to 1171.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/abbasid-caliphate-sharia-sunni-shia/#ismāʿīlīs-and-the-fatimids"
    },
    {
     "id": "law-schools",
     "kind": "mark",
     "name": "Sunni Islam: the four law schools",
     "parent": "muhammad",
     "start": 925,
     "end": null,
     "date": "d. 767, 795, 820, 855 · organised c. 900–950",
     "note": "Abū Ḥanīfa, Mālik, al-Shāfiʿī and Ibn Ḥanbal; their followers become self-reproducing schools in the 10th century.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/abbasid-caliphate-sharia-sunni-shia/#four-jurists"
    },
    {
     "id": "twelvers",
     "kind": "branch",
     "name": "Twelvers",
     "parent": "shia",
     "start": 874,
     "end": null,
     "date": "874 · 941",
     "note": "The eleventh imam dies; his son is held to be hidden (874); the complete occultation (941). Public mourning for al-Ḥusayn in Baghdad (963).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/abbasid-caliphate-sharia-sunni-shia/#the-occultation"
    },
    {
     "id": "sufism",
     "kind": "current",
     "name": "Sufism",
     "parent": "muhammad",
     "start": 850,
     "end": null,
     "date": "9th c.",
     "note": "'Ṣūfī' names a circle in Baghdad: al-Muḥāsibī, al-Junayd (d. 910); al-Ḥallāj executed (922); al-Ghazālī makes Sufism respectable for Sunni jurists (1095).",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/sufism-history-sufi-orders/"
    },
    {
     "id": "ashari",
     "kind": "mark",
     "name": "Ashʿarī theology",
     "parent": "muhammad",
     "start": 935,
     "end": null,
     "date": "833–848 · 935",
     "note": "The miḥna imposes the Muʿtazilī doctrine of a created Qur'an (833–c. 848) and fails; al-Ashʿarī (d. 935–936) founds the theology that defeated it.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/abbasid-caliphate-sharia-sunni-shia/#the-muʿtazila"
    },
    {
     "id": "sufi-orders",
     "kind": "mark",
     "name": "The Sufi orders",
     "parent": "sufism",
     "start": 1166,
     "end": null,
     "date": "12th–13th c.",
     "note": "Qādiriyya (al-Jīlānī, d. 1166), Suhrawardiyya (d. 1168), Chishtiyya in India (d. 1236), Shādhiliyya (d. 1258), Mevleviyya after Rūmī (1273).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/sufism-history-sufi-orders/#the-first-orders"
    },
    {
     "id": "madrasa",
     "kind": "mark",
     "name": "Seljuks, Crusaders, Mongols: the madrasa age",
     "parent": "muhammad",
     "start": 1066,
     "end": null,
     "date": "1055 · 1066 · 1258",
     "note": "The Seljuks take Baghdad (1055); the Niẕāmiyya madrasa (1065–67); the Mongols sack Baghdad and kill the caliph (1258).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/seljuks-crusades-mongols-islam/"
    },
    {
     "id": "ibn-taymiyya",
     "kind": "mark",
     "name": "Ibn Taymiyya",
     "parent": "muhammad",
     "start": 1328,
     "end": null,
     "date": "d. 1328",
     "note": "Dies in prison in Damascus; marginal in his time, taken up by reformers and Salafis from the 19th century.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/seljuks-crusades-mongols-islam/"
    },
    {
     "id": "safavid",
     "kind": "mark",
     "name": "Twelver Shiism as a state religion",
     "parent": "twelvers",
     "start": 1501,
     "end": null,
     "date": "1501",
     "note": "Shah Ismāʿīl takes Tabriz and declares Twelver Shiism the religion of his state; Iran becomes its home.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/ottoman-safavid-mughal-empires/#a-dervish-order-becomes-a-dynasty"
    },
    {
     "id": "empires",
     "kind": "mark",
     "name": "Ottomans and Mughals",
     "parent": "muhammad",
     "start": 1517,
     "end": null,
     "date": "1453 · 1517 · 1526",
     "note": "Mehmed II takes Constantinople (1453); Selim I becomes protector of Mecca and Medina (1517); Bābur founds the Mughal dynasty (1526).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/ottoman-safavid-mughal-empires/"
    },
    {
     "id": "wahhabi",
     "kind": "branch",
     "name": "Wahhābī movement, later called Salafī",
     "parent": "muhammad",
     "start": 1744,
     "end": null,
     "date": "1744",
     "note": "The pact of Dirʿiyya between Ibn ʿAbd al-Wahhāb and Muḥammad ibn Saʿūd; Saudi forces take Mecca and Medina (1803–05); the Kingdom of Saudi Arabia (1932).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/#the-name"
    },
    {
     "id": "babi-bahai",
     "kind": "offshoot",
     "name": "Bābīs and the Bahāʾī Faith",
     "parent": "twelvers",
     "start": 1844,
     "end": null,
     "date": "1844",
     "note": "The Bāb announces his mission in Shiraz; the Bahāʾī Faith that grew from his movement is a separate religion.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/#the-bāb-and-the-bahāʾī-faith"
    },
    {
     "id": "deobandi",
     "kind": "branch",
     "name": "Deobandi",
     "parent": "muhammad",
     "start": 1866,
     "end": null,
     "date": "1866",
     "note": "The seminary at Deoband: hadith study, Ḥanafī law and the reform of shrine customs. The Taliban come from its South Asian network.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/#three-answers-deoband-aligarh-and-bareilly"
    },
    {
     "id": "aligarh",
     "kind": "mark",
     "name": "Islamic modernism: Aligarh, ʿAbduh",
     "parent": "muhammad",
     "start": 1884,
     "end": null,
     "date": "1875 · 1884",
     "note": "Sayyid Aḥmad Khān's college at Aligarh (1875); al-Afghānī and ʿAbduh's al-ʿUrwa al-wuthqā (1884); Rashīd Riḍā's al-Manār (1898).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/"
    },
    {
     "id": "barelwi",
     "kind": "branch",
     "name": "Barelwī",
     "parent": "muhammad",
     "start": 1880,
     "end": null,
     "date": "1880s",
     "note": "Aḥmad Riḍā Khān (1856–1921) defends devotion to the Prophet, his birthday and the saints against the Deobandis.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/#three-answers-deoband-aligarh-and-bareilly"
    },
    {
     "id": "ahmadiyya",
     "kind": "branch",
     "name": "Ahmadiyya",
     "parent": "muhammad",
     "start": 1889,
     "end": null,
     "date": "1889",
     "note": "Mirza Ghulam Ahmad takes the first oath of allegiance at Ludhiana. Ahmadis call themselves Muslims; Pakistan declared them non-Muslim in 1974.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/wahhabism-islamic-modernism-reform/#the-ahmadiyya"
    },
    {
     "id": "caliphate-ends",
     "kind": "mark",
     "name": "The caliphate abolished",
     "parent": "muhammad",
     "start": 1924,
     "end": null,
     "date": "3 March 1924",
     "note": "Turkey abolishes the office; ʿAbd al-Rāziq argues Islam needs no caliphate (1925).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/caliphate-abolition-islamism-twentieth-century/"
    },
    {
     "id": "islamism",
     "kind": "branch",
     "name": "Islamism: the Muslim Brotherhood",
     "parent": "muhammad",
     "start": 1928,
     "end": null,
     "date": "1928",
     "note": "Ḥasan al-Bannā founds the Brotherhood in Ismailia; Mawdūdī's Jamāʿat-i Islāmī (1941); Quṭb's Milestones (1964); Hamas (1987).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/caliphate-abolition-islamism-twentieth-century/#the-muslim-brotherhood"
    },
    {
     "id": "nation-of-islam",
     "kind": "offshoot",
     "name": "Nation of Islam",
     "parent": "muhammad",
     "start": 1930,
     "end": null,
     "date": "1930",
     "note": "Wallace Fard Muhammad begins the movement in Detroit; Malcolm X leaves it in 1964; W. D. Mohammed leads most of it towards Sunni Islam from 1975.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/caliphate-abolition-islamism-twentieth-century/#a-new-religion-in-islamic-dress"
    },
    {
     "id": "khomeini",
     "kind": "mark",
     "name": "Rule by the jurist: the Islamic Republic",
     "parent": "twelvers",
     "start": 1979,
     "end": null,
     "date": "1970 · 1979",
     "note": "Khomeini's Najaf lectures (1970); the Shah falls and Iran's constitution makes the jurist its leader (1979); Hezbollah (1982).",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/iranian-revolution-islamic-revival/"
    },
    {
     "id": "jihadism",
     "kind": "branch",
     "name": "Jihadism: al-Qaeda and the 'Islamic State'",
     "parent": "islamism",
     "start": 1988,
     "end": null,
     "date": "1988 · 2014",
     "note": "Al-Qaeda formed at Peshawar (1988), joining the Wahhābī creed to the Brotherhood's activism; the 'Islamic State' proclaims a caliphate (2014) and more than 120 scholars answer it.",
     "confidence": "majority",
     "url": "https://howitevolved.com/islam/iranian-revolution-islamic-revival/#al-qaeda"
    },
    {
     "id": "amman",
     "kind": "mark",
     "name": "The Amman Message: the schools recognise each other",
     "parent": "muhammad",
     "start": 2005,
     "end": null,
     "date": "2004–2005",
     "note": "About 200 scholars recognise eight schools of law, Sunni, Shia and Ibāḍī, as Muslim.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/islam/how-many-muslims-are-there/"
    }
   ]
  },
  {
   "key": "hinduism",
   "name": "Hinduism",
   "span": "7000 BCE – present",
   "today": {
    "count": 1200000000,
    "text": "about 1.2 billion Hindus (2020)",
    "source": "Pew Research Center, 2025 · Hinduism §12"
   },
   "chapters": [
    {
     "n": 1,
     "title": "Before the Vedas",
     "start": -7000,
     "end": -3300,
     "url": "https://howitevolved.com/hinduism/pre-vedic-religion/"
    },
    {
     "n": 2,
     "title": "The Indus Civilization",
     "start": -3300,
     "end": -1300,
     "url": "https://howitevolved.com/hinduism/indus-valley-religion/"
    },
    {
     "n": 3,
     "title": "The Oral Rigveda",
     "start": -1500,
     "end": -1200,
     "url": "https://howitevolved.com/hinduism/rigveda-early-vedic-religion/"
    },
    {
     "n": 4,
     "title": "Late Vedic",
     "start": -1200,
     "end": -900,
     "url": "https://howitevolved.com/hinduism/later-vedic-period/"
    },
    {
     "n": 5,
     "title": "The Upanishadic Turn",
     "start": -900,
     "end": -500,
     "url": "https://howitevolved.com/hinduism/upanishads-karma-rebirth/"
    },
    {
     "n": 6,
     "title": "The Shramana Challenge",
     "start": -600,
     "end": -200,
     "url": "https://howitevolved.com/hinduism/shramana-buddhism-jainism/"
    },
    {
     "n": 7,
     "title": "Epic and Classical Synthesis",
     "start": -200,
     "end": 300,
     "url": "https://howitevolved.com/hinduism/bhagavad-gita-epics-bhakti/"
    },
    {
     "n": 8,
     "title": "Puranic Hinduism",
     "start": 300,
     "end": 650,
     "url": "https://howitevolved.com/hinduism/puranic-hinduism-gupta-age/"
    },
    {
     "n": 9,
     "title": "Bhakti and the Regional Turn",
     "start": 650,
     "end": 1200,
     "url": "https://howitevolved.com/hinduism/tamil-bhakti-advaita-vedanta/"
    },
    {
     "n": 10,
     "title": "Encounter with Islam",
     "start": 1200,
     "end": 1750,
     "url": "https://howitevolved.com/hinduism/medieval-hinduism-islam-bhakti/"
    },
    {
     "n": 11,
     "title": "The Invention of \"Hinduism\"",
     "start": 1750,
     "end": 1947,
     "url": "https://howitevolved.com/hinduism/invention-of-hinduism/"
    },
    {
     "n": 12,
     "title": "Modern and Contemporary",
     "start": 1947,
     "end": 2026,
     "url": "https://howitevolved.com/hinduism/modern-hinduism-since-1947/"
    }
   ],
   "firsts": [
    {
     "idea": "Ṛta — cosmic and moral order",
     "year": -1400,
     "date": "c. 1400 BCE",
     "source": "Rigveda, Family Books (Maṇḍalas 2–7)",
     "note": "The Vedic word for order. Not yet dharma, and not yet ethical in the later sense.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/rigveda-early-vedic-religion/"
    },
    {
     "idea": "Iron",
     "year": -1200,
     "date": "c. 1200 BCE",
     "source": "Atharvaveda (śyāma / kṛṣṇa ayas); finds at Malhar",
     "note": "The Rigveda has only undifferentiated ayas — copper and bronze.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/later-vedic-period/"
    },
    {
     "idea": "Cosmic doubt stated in scripture",
     "year": -1100,
     "date": "c. 1100 BCE",
     "source": "RV 10.129 (Nāsadīya Sūkta)",
     "note": "The creation hymn ends by doubting whether even God knows the answer.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/rigveda-early-vedic-religion/"
    },
    {
     "idea": "The four varṇas",
     "year": -1100,
     "date": "c. 1100 BCE",
     "source": "RV 10.90.12 (Puruṣa Sūkta)",
     "note": "The only four-varṇa passage in 1,028 hymns, and it is in the latest layer.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/rigveda-early-vedic-religion/"
    },
    {
     "idea": "Rice",
     "year": -1100,
     "date": "c. 1100 BCE",
     "source": "Yajurveda saṃhitās (vrīhi)",
     "note": "Absent from the Rigveda entirely. The surest marker separating early from late Vedic.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/later-vedic-period/"
    },
    {
     "idea": "\"Namaḥ Śivāya\"",
     "year": -1000,
     "date": "c. 1000 BCE",
     "source": "Taittirīya Saṃhitā 4.5.8 (Śatarudrīya)",
     "note": "First appears as flattery of a dangerous god — śiva is still an adjective, \"auspicious\".",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/later-vedic-period/"
    },
    {
     "idea": "Ritual compels the cosmos (bandhu)",
     "year": -900,
     "date": "c. 900 BCE",
     "source": "The Brāhmaṇas; Agnicayana",
     "note": "Power moves from the deity to the technician. The brahmin becomes indispensable.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/later-vedic-period/"
    },
    {
     "idea": "Karma as moral causation",
     "year": -700,
     "date": "c. 700 BCE",
     "source": "Bṛhadāraṇyaka Upaniṣad 3.2.13",
     "note": "Taught in private, away from the assembly — which is why we can tell it was new.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/upanishads-karma-rebirth/"
    },
    {
     "idea": "Rebirth — saṃsāra",
     "year": -700,
     "date": "c. 700 BCE",
     "source": "BU 3.2.13; Chāndogya 5.3–10 (Pañcāgni-vidyā)",
     "note": "The Upaniṣads credit the doctrine to a kṣatriya king, not to brahmins.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/upanishads-karma-rebirth/"
    },
    {
     "idea": "Mokṣa — liberation as the goal",
     "year": -700,
     "date": "c. 700 BCE",
     "source": "The older Upaniṣads",
     "note": "Replaces long life, sons and cattle as what religion is ultimately for.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/upanishads-karma-rebirth/"
    },
    {
     "idea": "Ātman = Brahman",
     "year": -700,
     "date": "c. 700 BCE",
     "source": "Chāndogya 6.8.7 — tat tvam asi",
     "note": "Relocates the sacred from the ritual arena into the person.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/upanishads-karma-rebirth/"
    },
    {
     "idea": "Ahiṃsā as a supreme value",
     "year": -500,
     "date": "c. 500 BCE",
     "source": "Ācārāṅga Sūtra 1.4.1; Chāndogya 3.17.4 lists it earlier as one virtue",
     "note": "Enters a tradition whose central rite had been animal sacrifice.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/shramana-buddhism-jainism/"
    },
    {
     "idea": "Renunciation as an institution",
     "year": -500,
     "date": "c. 500 BCE",
     "source": "Śramaṇa orders; the āśrama scheme in the Dharmasūtras",
     "note": "Absorbed by requiring everyone to renounce — last.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/shramana-buddhism-jainism/"
    },
    {
     "idea": "Writing",
     "year": -250,
     "date": "c. 250 BCE",
     "source": "Ashokan edicts, Brāhmī and Kharoṣṭhī",
     "note": "The Vedas had already been transmitted orally for roughly a thousand years.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/shramana-buddhism-jainism/"
    },
    {
     "idea": "Vegetarianism as prestige",
     "year": -250,
     "date": "c. 250 BCE",
     "source": "Ashoka, Rock Edict 1",
     "note": "A king publicly prohibits sacrificial slaughter in his own capital.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/shramana-buddhism-jainism/"
    },
    {
     "idea": "Bhakti — devotion, attested",
     "year": -110,
     "date": "c. 110 BCE",
     "source": "Heliodorus pillar, Besnagar",
     "note": "A Greek ambassador calls himself a Bhāgavata and Vāsudeva the God of Gods.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/bhagavad-gita-epics-bhakti/"
    },
    {
     "idea": "Avatāra — God takes birth",
     "year": -50,
     "date": "c. 200 BCE – 200 CE",
     "source": "Bhagavad Gītā 4.7–8",
     "note": "Nothing in the Vedas or Upaniṣads has a god descending into history.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/bhagavad-gita-epics-bhakti/"
    },
    {
     "idea": "Cult image — mūrti worship",
     "year": 50,
     "date": "c. 100 BCE – 200 CE",
     "source": "Gudimallam liṅga; Kuṣāṇa coins showing Śiva; Mathurā sculpture",
     "note": "The visual vocabulary comes largely from yakṣa and nāga cults, not the Veda.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/bhagavad-gita-epics-bhakti/"
    },
    {
     "idea": "Caste as a comprehensive legal order",
     "year": 150,
     "date": "c. 200 BCE – 300 CE",
     "source": "Manusmṛti",
     "note": "Graded punishment, impurity rules, and the disabilities of the caṇḍāla.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/bhagavad-gita-epics-bhakti/"
    },
    {
     "idea": "Women declared unfit for independence",
     "year": 150,
     "date": "c. 200 BCE – 300 CE",
     "source": "Manusmṛti 9.3",
     "note": "Many centuries after Gārgī argued in open assembly.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/bhagavad-gita-epics-bhakti/"
    },
    {
     "idea": "The stone temple",
     "year": 400,
     "date": "c. 400 CE",
     "source": "Sanchi Temple 17; Udayagiri; Deogarh",
     "note": "A permanent residence for a god who can be seen. Darśana becomes central.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/puranic-hinduism-gupta-age/"
    },
    {
     "idea": "Tantra, attested in text",
     "year": 500,
     "date": "c. 450–550 CE",
     "source": "Niśvāsatattvasaṃhitā",
     "note": "Supplies the ritual grammar of ordinary temple pūjā to this day.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/puranic-hinduism-gupta-age/"
    },
    {
     "idea": "The supreme Goddess",
     "year": 575,
     "date": "c. 550–600 CE",
     "source": "Devī Māhātmya, in the Mārkaṇḍeya Purāṇa",
     "note": "The first text making a female deity the source of the male gods' power.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/puranic-hinduism-gupta-age/"
    },
    {
     "idea": "Advaita as a system",
     "year": 725,
     "date": "c. 700–750 CE",
     "source": "Śaṅkara, Brahmasūtrabhāṣya",
     "note": "One school among many at the time; its supremacy is a modern development.",
     "confidence": "contested",
     "url": "https://howitevolved.com/hinduism/tamil-bhakti-advaita-vedanta/"
    },
    {
     "idea": "Vernacular scripture (Tamil)",
     "year": 750,
     "date": "c. 6th–9th c. CE",
     "source": "Ālvārs and Nāyanārs; the \"Tamil Veda\"",
     "note": "Devotional poetry in a spoken language achieves liturgical status.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/tamil-bhakti-advaita-vedanta/"
    },
    {
     "idea": "Hindu as a religious self-description",
     "year": 1400,
     "date": "c. 1200–1500 CE",
     "source": "Sant poetry contrasting hindū and turk",
     "note": "Identity forms in contrast to Islam — but there is still no \"-ism\".",
     "confidence": "contested",
     "url": "https://howitevolved.com/hinduism/medieval-hinduism-islam-bhakti/"
    },
    {
     "idea": "Vernacular scripture (north)",
     "year": 1574,
     "date": "1574 CE",
     "source": "Tulsīdās, Rāmcaritmānas (Awadhi)",
     "note": "For hundreds of millions this, not Vālmīki, is the Rāmāyaṇa.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/medieval-hinduism-islam-bhakti/"
    },
    {
     "idea": "\"Hinduism\" as a world religion",
     "year": 1800,
     "date": "c. 1800 CE",
     "source": "Orientalists, missionaries, census officials and reformers together",
     "note": "One canon, one essence, one census box — the category, not the tradition.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/invention-of-hinduism/"
    },
    {
     "idea": "All paths lead to the same truth",
     "year": 1893,
     "date": "1893 CE",
     "source": "Vivekananda; Neo-Vedānta",
     "note": "Would have puzzled Rāmānuja and Madhva, who argued the others were wrong.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/invention-of-hinduism/"
    },
    {
     "idea": "Hindutva",
     "year": 1923,
     "date": "1923 CE",
     "source": "Savarkar, Essentials of Hindutva",
     "note": "Defined territorially and ethnically, not theologically. Savarkar was an atheist.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/invention-of-hinduism/"
    },
    {
     "idea": "Codified Hindu law",
     "year": 1955,
     "date": "1955–56 CE",
     "source": "The Hindu Code Bills",
     "note": "A secular parliament imposes monogamy, divorce and daughters' inheritance.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/modern-hinduism-since-1947/"
    }
   ],
   "tree": [
    {
     "id": "indus",
     "kind": "extinct",
     "name": "Indus religion (undeciphered)",
     "parent": null,
     "start": -2600,
     "end": -1700,
     "date": "c. 2600–1900 BCE",
     "note": "Planned cities, seals and figurines but no readable text. Whether anything passed from it into later Hinduism is contested; the line is drawn apart from the Vedic trunk for that reason.",
     "confidence": "contested",
     "url": "https://howitevolved.com/hinduism/indus-valley-religion/"
    },
    {
     "id": "vedic",
     "kind": "trunk",
     "name": "Vedic religion",
     "parent": null,
     "start": -1500,
     "end": null,
     "date": "c. 1500–1200 BCE (Rigveda composed)",
     "note": "The Family Books of the Rigveda, composed and transmitted orally in the Punjab; a religion of fire sacrifice to Indra, Agni and Soma.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/rigveda-early-vedic-religion/"
    },
    {
     "id": "four-vedas",
     "kind": "mark",
     "name": "The Rigveda fixed; four Vedas; the Brāhmaṇas",
     "parent": "vedic",
     "start": -1100,
     "end": null,
     "date": "c. 1100–800 BCE",
     "note": "The Saṃhitās compiled in the Kuru realm; śrauta ritual systematised in the Brāhmaṇas.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/later-vedic-period/"
    },
    {
     "id": "upanishads",
     "kind": "mark",
     "name": "The Upanishadic turn: karma, rebirth, liberation",
     "parent": "vedic",
     "start": -700,
     "end": null,
     "date": "c. 700–500 BCE",
     "note": "Bṛhadāraṇyaka and Chāndogya, the oldest Upaniṣads, taught in the eastern kingdoms.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/upanishads-karma-rebirth/"
    },
    {
     "id": "shramana",
     "kind": "branch",
     "name": "Śramaṇa renouncers",
     "parent": "vedic",
     "start": -550,
     "end": null,
     "date": "c. 600–500 BCE",
     "note": "Wandering renunciant movements of the Ganga plain, outside the Vedic ritual order: the world the Buddha, Mahāvīra and the Ājīvikas shared.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/shramana-buddhism-jainism/"
    },
    {
     "id": "jainism",
     "kind": "offshoot",
     "name": "Jainism",
     "parent": "shramana",
     "start": -500,
     "end": null,
     "date": "Mahāvīra, 5th c. BCE",
     "note": "Mahāvīra, the 24th tīrthaṅkara, reforms an existing tradition; the Pali canon has him die before the Buddha. A separate religion, not yet a series of its own.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/shramana-buddhism-jainism/"
    },
    {
     "id": "ajivikas",
     "kind": "extinct",
     "name": "Ājīvikas",
     "parent": "shramana",
     "start": -500,
     "end": -200,
     "date": "5th c. BCE",
     "note": "Makkhali Gosāla's determinists, one of the six heterodox teachers; Ashoka's Pillar Edict 7 still names them as a body (c. 250 BCE).",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/shramana-buddhism-jainism/"
    },
    {
     "id": "brahmanical",
     "kind": "mark",
     "name": "Dharma, epic and the Brahmanical synthesis",
     "parent": "vedic",
     "start": -200,
     "end": null,
     "date": "c. 300 BCE – 300 CE",
     "note": "Dharmasūtras, Manusmṛti, the Mahābhārata and Rāmāyaṇa; caste as a comprehensive legal order.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/bhagavad-gita-epics-bhakti/"
    },
    {
     "id": "vaishnava",
     "kind": "branch",
     "name": "Vaiṣṇava traditions",
     "parent": "vedic",
     "start": -110,
     "end": null,
     "date": "c. 110 BCE (Heliodorus pillar)",
     "note": "A Greek ambassador declares himself a Bhāgavata at Besnagar: the first dated devotion to Viṣṇu-Vāsudeva. The Bhagavad Gītā c. 200 BCE – 200 CE.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/bhagavad-gita-epics-bhakti/"
    },
    {
     "id": "shaiva",
     "kind": "branch",
     "name": "Śaiva traditions",
     "parent": "vedic",
     "start": 380,
     "end": null,
     "date": "c. 100 BCE – 200 CE (Gudimallam liṅga) · 380 CE",
     "note": "The Gudimallam liṅga is the earliest surviving Śiva liṅga; the Mathurā pillar of 380 CE records a Pāśupata guru-lineage ten generations deep.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/puranic-hinduism-gupta-age/"
    },
    {
     "id": "temple",
     "kind": "mark",
     "name": "Purāṇic Hinduism: temples, images, Tantra",
     "parent": "vedic",
     "start": 450,
     "end": null,
     "date": "c. 400–600 CE",
     "note": "The first surviving stone temples (c. 400–425); the Viṣṇu Purāṇa; the earliest Śaiva Tantra (c. 450–550).",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/puranic-hinduism-gupta-age/"
    },
    {
     "id": "shakta",
     "kind": "branch",
     "name": "Śākta: the supreme Goddess",
     "parent": "shaiva",
     "start": 575,
     "end": null,
     "date": "c. 550–600 CE",
     "note": "The Devī Māhātmya, inside the Mārkaṇḍeya Purāṇa, makes the Goddess supreme.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/puranic-hinduism-gupta-age/"
    },
    {
     "id": "tamil-bhakti",
     "kind": "mark",
     "name": "Tamil bhakti: Āḻvārs and Nāyanārs",
     "parent": "vaishnava",
     "start": 700,
     "end": null,
     "date": "c. 6th–9th c.",
     "note": "Twelve Vaiṣṇava Āḻvārs and sixty-three Śaiva Nāyanārs compose in Tamil; Kāraikkāl Ammaiyār, a woman, is the earliest Nāyanār.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/tamil-bhakti-advaita-vedanta/"
    },
    {
     "id": "advaita",
     "kind": "branch",
     "name": "Advaita Vedānta",
     "parent": "vedic",
     "start": 725,
     "end": null,
     "date": "Śaṅkara, c. 700–750",
     "note": "Śaṅkara's commentaries; the traditional dates 788–820 are later. Non-dualism becomes the prestige philosophy of the Brahmanical mainstream.",
     "confidence": "contested",
     "url": "https://howitevolved.com/hinduism/tamil-bhakti-advaita-vedanta/"
    },
    {
     "id": "kashmir-shaiva",
     "kind": "mark",
     "name": "Kashmir Śaivism",
     "parent": "shaiva",
     "start": 850,
     "end": null,
     "date": "c. 850 · c. 1000",
     "note": "Vasugupta's Śiva Sūtras; Abhinavagupta's Tantrāloka (c. 975–1025).",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/tamil-bhakti-advaita-vedanta/"
    },
    {
     "id": "vishishtadvaita",
     "kind": "branch",
     "name": "Śrīvaiṣṇava Viśiṣṭādvaita (Rāmānuja)",
     "parent": "vaishnava",
     "start": 1100,
     "end": null,
     "date": "Rāmānuja, c. 1077–1157",
     "note": "Qualified non-dualism, at Śrīraṅgam; the familiar dates 1017–1137 are hagiography.",
     "confidence": "contested",
     "url": "https://howitevolved.com/hinduism/tamil-bhakti-advaita-vedanta/"
    },
    {
     "id": "virashaiva",
     "kind": "branch",
     "name": "Vīraśaiva / Liṅgāyat",
     "parent": "shaiva",
     "start": 1150,
     "end": null,
     "date": "Basava, 12th c.",
     "note": "Basava's movement in Karnataka (c. 1106–1167 or 1131–1196); vernacular vacanas against caste and temple. Many Liṅgāyats today seek recognition as a separate religion.",
     "confidence": "contested",
     "url": "https://howitevolved.com/hinduism/tamil-bhakti-advaita-vedanta/"
    },
    {
     "id": "dvaita",
     "kind": "branch",
     "name": "Dvaita (Madhva)",
     "parent": "vaishnava",
     "start": 1250,
     "end": null,
     "date": "Madhva, 1238–1317",
     "note": "Dualist Vedānta, the third great school.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/medieval-hinduism-islam-bhakti/"
    },
    {
     "id": "varkari",
     "kind": "branch",
     "name": "Vārkarī (Marathi bhakti)",
     "parent": "vaishnava",
     "start": 1290,
     "end": null,
     "date": "1290",
     "note": "Jñāneśvar's Marathi Gītā commentary; Nāmdev, Eknāth, Tukārām and the pilgrimage to Pandharpur.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/medieval-hinduism-islam-bhakti/"
    },
    {
     "id": "sant",
     "kind": "branch",
     "name": "Sant tradition (nirguṇa bhakti)",
     "parent": "vedic",
     "start": 1440,
     "end": null,
     "date": "Kabīr, 15th c.",
     "note": "God without form, image or incarnation; Kabīr's dates are unsettled (c. 1398–1448 or c. 1440–1518). Sant and Sufi idioms interpenetrate.",
     "confidence": "contested",
     "url": "https://howitevolved.com/hinduism/medieval-hinduism-islam-bhakti/"
    },
    {
     "id": "sikhism",
     "kind": "offshoot",
     "name": "Sikhism",
     "parent": "sant",
     "start": 1469,
     "end": null,
     "date": "Guru Nānak, 1469–1539",
     "note": "Nānak shares the Sant idiom but builds an institution: a line of Gurus, the Ādi Granth (1604) and, in 1708, the scripture itself as eternal Guru. A separate religion; a series is planned.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/medieval-hinduism-islam-bhakti/"
    },
    {
     "id": "pushtimarg",
     "kind": "branch",
     "name": "Puṣṭimārga (Vallabha)",
     "parent": "vaishnava",
     "start": 1500,
     "end": null,
     "date": "Vallabha, 1479–1531",
     "note": "Śuddhādvaita and the worship of Kṛṣṇa as Śrīnāthjī.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/medieval-hinduism-islam-bhakti/"
    },
    {
     "id": "gaudiya",
     "kind": "branch",
     "name": "Gauḍīya Vaiṣṇavism (Caitanya)",
     "parent": "vaishnava",
     "start": 1510,
     "end": null,
     "date": "Caitanya, 1486–1534",
     "note": "Ecstatic Kṛṣṇa devotion in Bengal.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/medieval-hinduism-islam-bhakti/"
    },
    {
     "id": "ramcharitmanas",
     "kind": "mark",
     "name": "Tulsīdās begins the Rāmcaritmānas",
     "parent": "vaishnava",
     "start": 1574,
     "end": null,
     "date": "1574",
     "note": "Vernacular scripture in the north; a date the poet states in the text itself.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/medieval-hinduism-islam-bhakti/"
    },
    {
     "id": "brahmo",
     "kind": "branch",
     "name": "Brahmo Samāj",
     "parent": "vedic",
     "start": 1828,
     "end": null,
     "date": "1828",
     "note": "Rammohan Roy derives a monotheism from the Upaniṣads, rejects image worship and campaigns against sati (abolished 1829).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/invention-of-hinduism/"
    },
    {
     "id": "arya-samaj",
     "kind": "branch",
     "name": "Ārya Samāj",
     "parent": "vedic",
     "start": 1875,
     "end": null,
     "date": "1875",
     "note": "Dayānanda's 'back to the Vedas': no images, no Purāṇas, no caste by birth; the Satyārth Prakāś.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/invention-of-hinduism/"
    },
    {
     "id": "neo-vedanta",
     "kind": "branch",
     "name": "Neo-Vedānta: Ramakrishna Mission",
     "parent": "advaita",
     "start": 1897,
     "end": null,
     "date": "1893 · 1897",
     "note": "Vivekananda at Chicago (1893): all paths lead to one truth, a modern teaching; the Mission founded in 1897.",
     "confidence": "majority",
     "url": "https://howitevolved.com/hinduism/invention-of-hinduism/"
    },
    {
     "id": "hindutva",
     "kind": "current",
     "name": "Hindutva: RSS, VHP, BJP",
     "parent": "vedic",
     "start": 1925,
     "end": null,
     "date": "1923 · 1925",
     "note": "Savarkar's Essentials of Hindutva (1923); the RSS founded (1925); the VHP (1964); the BJP (1980); Babri Masjid demolished (1992); the Rām Mandir consecrated (2024).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/invention-of-hinduism/"
    },
    {
     "id": "hindu-code",
     "kind": "mark",
     "name": "The Constitution and the Hindu Code",
     "parent": "vedic",
     "start": 1955,
     "end": null,
     "date": "1950 · 1955–56",
     "note": "Untouchability abolished (1950); a secular parliament rewrites Hindu marriage and inheritance law.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/modern-hinduism-since-1947/"
    },
    {
     "id": "iskcon",
     "kind": "branch",
     "name": "ISKCON",
     "parent": "gaudiya",
     "start": 1966,
     "end": null,
     "date": "1966",
     "note": "Founded in New York by Bhaktivedanta Swami Prabhupāda; Gauḍīya Vaiṣṇavism goes global.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/hinduism/modern-hinduism-since-1947/"
    }
   ]
  },
  {
   "key": "buddhism",
   "name": "Buddhism",
   "span": "c. 600 BCE – present",
   "today": {
    "count": 324000000,
    "text": "about 324 million Buddhists (2020)",
    "source": "Pew Research Center, 2025 · Buddhism §13"
   },
   "chapters": [
    {
     "n": 1,
     "title": "The World the Buddha Entered",
     "start": -600,
     "end": -400,
     "url": "https://howitevolved.com/buddhism/buddhism-origins-shramana/"
    },
    {
     "n": 2,
     "title": "The Buddha",
     "start": -480,
     "end": -380,
     "url": "https://howitevolved.com/buddhism/historical-buddha/"
    },
    {
     "n": 3,
     "title": "The Early Saṅgha, the Councils and the First Split",
     "start": -400,
     "end": -250,
     "url": "https://howitevolved.com/buddhism/buddhist-councils-schools-nuns/"
    },
    {
     "n": 4,
     "title": "Ashoka and the Making of a Pan-Indian Religion",
     "start": -268,
     "end": -50,
     "url": "https://howitevolved.com/buddhism/ashoka-buddhism-stupas/"
    },
    {
     "n": 5,
     "title": "Writing It Down",
     "start": -100,
     "end": 300,
     "url": "https://howitevolved.com/buddhism/pali-canon-gandhara-buddha-images/"
    },
    {
     "n": 6,
     "title": "The Mahāyāna Turn",
     "start": -50,
     "end": 500,
     "url": "https://howitevolved.com/buddhism/mahayana-buddhism-origins/"
    },
    {
     "n": 7,
     "title": "Into China",
     "start": 50,
     "end": 850,
     "url": "https://howitevolved.com/buddhism/buddhism-in-china-silk-road/"
    },
    {
     "n": 8,
     "title": "Tantra and the Last Age of Indian Buddhism",
     "start": 600,
     "end": 1300,
     "url": "https://howitevolved.com/buddhism/tantra-vajrayana-decline-india/"
    },
    {
     "n": 9,
     "title": "Tibet: The Second Home",
     "start": 640,
     "end": 1950,
     "url": "https://howitevolved.com/buddhism/tibetan-buddhism-history/"
    },
    {
     "n": 10,
     "title": "Theravāda and Southeast Asia",
     "start": 400,
     "end": 1800,
     "url": "https://howitevolved.com/buddhism/theravada-southeast-asia/"
    },
    {
     "n": 11,
     "title": "Japan and the Kamakura Reformations",
     "start": 538,
     "end": 1872,
     "url": "https://howitevolved.com/buddhism/japanese-buddhism-zen-pure-land/"
    },
    {
     "n": 12,
     "title": "Colonial Encounter and Buddhist Modernism",
     "start": 1800,
     "end": 1956,
     "url": "https://howitevolved.com/buddhism/buddhist-modernism-colonial/"
    },
    {
     "n": 13,
     "title": "Global and Contemporary Buddhism",
     "start": 1950,
     "end": 2026,
     "url": "https://howitevolved.com/buddhism/modern-buddhism-mindfulness/"
    }
   ],
   "firsts": [
    {
     "idea": "Renunciation as a recognised way of life",
     "year": -500,
     "date": "c. 5th c. BCE",
     "source": "Pali discourses on the śramaṇa field; DN 2 (the six rival teachers)",
     "note": "The Buddha joined an existing world of wandering renunciants; leaving home was not his invention.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/buddhism-origins-shramana/"
    },
    {
     "idea": "Karma redefined as intention",
     "year": -400,
     "date": "c. 4th c. BCE",
     "source": "AN 6.63: \"It is intention that I call deeds\"",
     "note": "Karma stops meaning ritual action and becomes a matter of the mind, open to anyone regardless of birth.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/buddhism-origins-shramana/"
    },
    {
     "idea": "A fortnightly code of monastic rules (pātimokkha)",
     "year": -400,
     "date": "c. 5th–4th c. BCE",
     "source": "Vinaya of all schools; Mahāvagga 2 (the uposatha)",
     "note": "Every school's list agrees on the serious offences and differs mainly in minor rules, which is why schools could split over discipline without splitting over doctrine.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/buddhist-councils-schools-nuns/"
    },
    {
     "idea": "An order of nuns",
     "year": -400,
     "date": "c. 5th–4th c. BCE",
     "source": "Vinayas of all schools; AN 8.51",
     "note": "The order is early; the eight 'heavy rules' and the prediction of decline in its founding story are probably later additions.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/buddhist-councils-schools-nuns/"
    },
    {
     "idea": "Not-self (anattā) and dependent origination",
     "year": -350,
     "date": "c. 4th–3rd c. BCE",
     "source": "Core shared by the Pali Nikāyas and the Chinese Āgamas",
     "note": "Present in every early school's canon, so probably older than the first splits; how the Buddha himself worded it is less certain.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/historical-buddha/"
    },
    {
     "idea": "The four noble truths as a set formula",
     "year": -350,
     "date": "c. 4th–3rd c. BCE",
     "source": "SN 56.11 and its parallels (the first sermon)",
     "note": "Shared by all early schools, but K. R. Norman argued from its grammar that the formula in the first sermon is a later insertion.",
     "confidence": "contested",
     "url": "https://howitevolved.com/buddhism/historical-buddha/"
    },
    {
     "idea": "Monastic schools and schism",
     "year": -275,
     "date": "c. 300–250 BCE",
     "source": "Sthavira–Mahāsāṃghika split; Ashoka's schism edicts",
     "note": "The first split was probably over monastic discipline, not doctrine; its cause and date are disputed.",
     "confidence": "contested",
     "url": "https://howitevolved.com/buddhism/buddhist-councils-schools-nuns/"
    },
    {
     "idea": "Relics enshrined in stupas",
     "year": -250,
     "date": "c. 3rd–2nd c. BCE",
     "source": "DN 16 (eight shares of relics); Piprahwa vase inscription",
     "note": "Relic worship is as old as the canon's account of the Buddha's death; Ashoka made it empire-wide.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/ashoka-buddhism-stupas/"
    },
    {
     "idea": "A line of past Buddhas",
     "year": -249,
     "date": "c. 249 BCE",
     "source": "Nigali Sagar pillar (stupa of Konākamana enlarged)",
     "note": "An emperor is already building for an earlier Buddha, the belief the four-sights story later depends on (enlarged c. 255, recorded c. 249).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/historical-buddha/"
    },
    {
     "idea": "The Buddha shown by symbols, not in human form",
     "year": -100,
     "date": "c. 125–75 BCE",
     "source": "Bharhut railing reliefs, with labels",
     "note": "Seats, trees, footprints and wheels mark his presence; whether this was a deliberate rule is argued over.",
     "confidence": "contested",
     "url": "https://howitevolved.com/buddhism/ashoka-buddhism-stupas/"
    },
    {
     "idea": "Scripture written down",
     "year": -50,
     "date": "c. 1st c. BCE",
     "source": "Gāndhārī birch-bark scrolls; Dīpavaṃsa 20.20–21 on Sri Lanka",
     "note": "Two or more centuries of oral transmission end; even then recitation stays central to monastic training.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/how-we-know/"
    },
    {
     "idea": "Abhidharma: systematic scholastic analysis",
     "year": 50,
     "date": "c. 1st c. CE",
     "source": "Abhidharma texts among the Gāndhārī scrolls",
     "note": "Each school builds its own system, which is why Abhidharma, unlike the discourses, does not match across schools.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/pali-canon-gandhara-buddha-images/"
    },
    {
     "idea": "The bodhisattva path recommended to others",
     "year": 75,
     "date": "c. 1st c. CE",
     "source": "Split collection Aṣṭasāhasrikā (radiocarbon c. 47–147 CE)",
     "note": "The oldest Mahāyāna manuscript is nearly as old as the oldest physical Buddhist texts of any kind.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/mahayana-buddhism-origins/"
    },
    {
     "idea": "Emptiness (śūnyatā) of all things",
     "year": 75,
     "date": "c. 1st c. CE",
     "source": "Perfection of Wisdom sūtras; later Nāgārjuna (c. 150–250)",
     "note": "Nāgārjuna identifies emptiness with dependent origination, turning a sūtra theme into a philosophy.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/mahayana-buddhism-origins/"
    },
    {
     "idea": "A complete life of the Buddha",
     "year": 100,
     "date": "c. 1st–2nd c. CE",
     "source": "Aśvaghoṣa, Buddhacarita",
     "note": "The palace, the four sights and the midnight departure appear as one connected story some five centuries after the Buddha.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/historical-buddha/"
    },
    {
     "idea": "The Buddha in human form",
     "year": 130,
     "date": "c. 127–150 CE",
     "source": "Kaniṣka's gold coins labelled ΒΟΔΔΟ",
     "note": "The oldest image explicitly named as the Buddha; figures at Gandhāra and Mathurā may be somewhat earlier.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/pali-canon-gandhara-buddha-images/"
    },
    {
     "idea": "Amitābha and a Pure Land",
     "year": 153,
     "date": "c. 153 CE",
     "source": "Govindnagar pedestal, Mathurā; Lokakṣema's 179 CE translation naming Amitābha",
     "note": "Amitābha does not reappear in Indian inscriptions for centuries; his cult found its audience in East Asia.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/mahayana-buddhism-origins/"
    },
    {
     "idea": "One vehicle and skilful means",
     "year": 286,
     "date": "by 286 CE",
     "source": "Lotus Sūtra (Dharmarakṣa's Chinese translation)",
     "note": "The earlier paths are recast as provisional; all three carts in the burning house become one.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/mahayana-buddhism-origins/"
    },
    {
     "idea": "Mind-only (Yogācāra)",
     "year": 380,
     "date": "c. 4th–5th c. CE",
     "source": "Asaṅga and Vasubandhu; Viṃśatikā",
     "note": "Experience is explained as representation only, a second great Mahāyāna philosophy beside Madhyamaka.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/mahayana-buddhism-origins/"
    },
    {
     "idea": "Buddha-nature in every being",
     "year": 421,
     "date": "421 CE",
     "source": "Dharmakṣema's Mahāparinirvāṇa Sūtra; Tathāgatagarbha texts",
     "note": "A minority teaching in India that became a basic assumption of Chinese Buddhism and of Chan.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/buddhism-in-china-silk-road/"
    },
    {
     "idea": "Monastic vegetarianism",
     "year": 518,
     "date": "510s–520s",
     "source": "Emperor Wu of Liang's decree against meat and wine",
     "note": "The early Vinaya allowed meat under conditions; Chinese monasticism made abstention the rule.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/buddhism-in-china-silk-road/"
    },
    {
     "idea": "Esoteric ritual: mantra, maṇḍala, initiation",
     "year": 670,
     "date": "before 674",
     "source": "Mahāvairocana Sūtra; Sarvatathāgatatattvasaṃgraha (late 7th c.)",
     "note": "Tantric Buddhism develops inside the great monasteries, not on their margins.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/tantra-vajrayana-decline-india/"
    },
    {
     "idea": "A Chan lineage of patriarchs",
     "year": 732,
     "date": "732",
     "source": "Shenhui's attack on the \"Northern school\" at Huatai",
     "note": "The genealogy back through Bodhidharma to the Buddha is assembled in Tang China; the 547 Bodhidharma knows nothing of it.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/buddhism-in-china-silk-road/"
    },
    {
     "idea": "Printed scripture",
     "year": 868,
     "date": "868",
     "source": "Dunhuang Diamond Sūtra",
     "note": "The oldest complete dated printed book, made to spread merit by spreading the text.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/buddhism-in-china-silk-road/"
    },
    {
     "idea": "The Kālacakra and its end-time war",
     "year": 1030,
     "date": "c. 1025–1040",
     "source": "Kālacakra Tantra and the Vimalaprabhā",
     "note": "The last major Indian tantra, with a detailed and hostile account of Islam.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/tantra-vajrayana-decline-india/"
    },
    {
     "idea": "Exclusive nembutsu: reliance on Amida's vow",
     "year": 1175,
     "date": "1175",
     "source": "Hōnen's exclusive nembutsu; Shinran after him",
     "note": "Hōnen makes reciting Amida's name the one sufficient practice; Shinran later grounds birth in the Pure Land in faith alone, and a married clergy follows.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/japanese-buddhism-zen-pure-land/"
    },
    {
     "idea": "Recognised reincarnate lamas (tulku)",
     "year": 1250,
     "date": "13th c.",
     "source": "Karma Pakshi recognised as Düsum Khyenpa's rebirth",
     "note": "Succession by rebirth becomes a Tibetan institution; the Dalai Lamas follow the pattern.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/tibetan-buddhism-history/"
    },
    {
     "idea": "The title Dalai Lama",
     "year": 1578,
     "date": "1578",
     "source": "Altan Khan's title for Sonam Gyatso",
     "note": "A Mongol title, applied retroactively to two predecessors; political rule follows in 1642.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/tibetan-buddhism-history/"
    },
    {
     "idea": "\"Buddhism\" as a single world religion",
     "year": 1801,
     "date": "1801",
     "source": "\"Boudhism\" in Asiatic Researches",
     "note": "The word and the category are European; Buddhists spoke of the Buddha's teaching or dispensation.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/buddhist-modernism-colonial/"
    },
    {
     "idea": "Meditation as a practice for lay people",
     "year": 1910,
     "date": "c. 1900–1923",
     "source": "Ledi Sayadaw's manuals in colonial Burma",
     "note": "Insight meditation moves from the monastery to the laity, the root of the Western insight movement.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/buddhist-modernism-colonial/"
    },
    {
     "idea": "Navayāna: Buddhism as social liberation",
     "year": 1956,
     "date": "1956",
     "source": "Ambedkar's conversion at Nagpur and his 22 vows",
     "note": "A Buddhism that rejects caste and reinterprets karma and rebirth, embraced by hundreds of thousands in a day.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/buddhist-modernism-colonial/"
    },
    {
     "idea": "Secular mindfulness",
     "year": 1979,
     "date": "1979",
     "source": "Kabat-Zinn's Stress Reduction Clinic (MBSR)",
     "note": "Buddhist-derived attention training repackaged for medicine, detached from ethics and rebirth.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/modern-buddhism-mindfulness/"
    }
   ],
   "tree": [
    {
     "id": "buddha",
     "kind": "trunk",
     "name": "The Buddha's saṅgha",
     "parent": null,
     "start": -445,
     "end": null,
     "date": "c. 445 BCE (awakening) · d. c. 400 BCE",
     "note": "Median chronology: death around 400 BCE, give or take twenty years. Tradition says 543 or 486 BCE; the date is contested.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/historical-buddha/"
    },
    {
     "id": "councils",
     "kind": "mark",
     "name": "The Second Council",
     "parent": "buddha",
     "start": -300,
     "end": null,
     "date": "c. 300 BCE",
     "note": "At Vesālī, 'a hundred years after' the Buddha, condemns ten practices including accepting money.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/buddhist-councils-schools-nuns/"
    },
    {
     "id": "mahasamghika",
     "kind": "extinct",
     "name": "Mahāsāṃghikas",
     "parent": "buddha",
     "start": -275,
     "end": 700,
     "date": "c. 300–250 BCE",
     "note": "The first schism: the 'great community' against the Sthaviras (elders). Named in inscriptions for centuries; Yijing (c. 690) still finds their monks. None survives.",
     "confidence": "contested",
     "url": "https://howitevolved.com/buddhism/buddhist-councils-schools-nuns/#the-first-schism-elders-and-the-great-community"
    },
    {
     "id": "ashoka",
     "kind": "mark",
     "name": "Ashoka: a pan-Indian religion",
     "parent": "buddha",
     "start": -258,
     "end": null,
     "date": "c. 268–232 BCE",
     "note": "The emperor becomes a lay follower, inscribes his dhamma across India and orders dissident monks expelled.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/ashoka-buddhism-stupas/"
    },
    {
     "id": "theravada",
     "kind": "branch",
     "name": "Theravāda (Sri Lanka, Southeast Asia)",
     "parent": "buddha",
     "start": -250,
     "end": null,
     "date": "c. 250 BCE (Mahinda's mission, by the chronicles)",
     "note": "The Sri Lankan Mahāvihāra lineage, heir of the Sthaviras. The chronicles date Mahinda's mission to Ashoka's reign; the name 'Theravāda' for a living tradition is modern.",
     "confidence": "contested",
     "url": "https://howitevolved.com/buddhism/theravada-southeast-asia/#is-theravāda-a-modern-invention"
    },
    {
     "id": "canon-written",
     "kind": "mark",
     "name": "Abhayagiri founded; the canon written down",
     "parent": "theravada",
     "start": -89,
     "end": null,
     "date": "1st c. BCE",
     "note": "Vaṭṭagāmaṇi Abhaya's reign in Sri Lanka: a rival monastery, and the Pali canon committed to writing at Aluvihāra according to later tradition.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/pali-canon-gandhara-buddha-images/"
    },
    {
     "id": "sarvastivada",
     "kind": "extinct",
     "name": "Sarvāstivāda",
     "parent": "buddha",
     "start": 127,
     "end": 1000,
     "date": "named 127 CE · Vibhāṣā 2nd c.",
     "note": "The great scholastic school of Gandhāra and Kashmir, named on Kaniṣka's casket; its Abhidharma and the Mūlasarvāstivāda monastic code live on in Tibet.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/pali-canon-gandhara-buddha-images/#abhidharma-the-schools-build-systems"
    },
    {
     "id": "mahayana",
     "kind": "branch",
     "name": "Mahāyāna",
     "parent": "buddha",
     "start": -50,
     "end": null,
     "date": "c. 1st c. BCE – 1st c. CE",
     "note": "The first Mahāyāna sūtras, among them the Perfection of Wisdom in 8,000 Lines (oldest manuscript c. 47–147 CE); the bodhisattva path for all. A movement inside the monasteries, not a separate order.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/mahayana-buddhism-origins/#what-mahāyāna-meant"
    },
    {
     "id": "madhyamaka",
     "kind": "mark",
     "name": "Madhyamaka (Nāgārjuna); Yogācāra",
     "parent": "mahayana",
     "start": 200,
     "end": null,
     "date": "c. 150–250 · 4th–5th c.",
     "note": "Emptiness as dependent origination; then Asaṅga and Vasubandhu's mind-only.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/mahayana-buddhism-origins/#7-nāgārjuna-emptiness-is-dependent-origination"
    },
    {
     "id": "china",
     "kind": "mark",
     "name": "Into China",
     "parent": "mahayana",
     "start": 179,
     "end": null,
     "date": "65 · 148 · 179",
     "note": "A prince of Chu honours the Buddha (65); An Shigao translates at Luoyang (148); Lokakṣema's dated Perfection of Wisdom (179).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/buddhism-in-china-silk-road/"
    },
    {
     "id": "pure-land",
     "kind": "branch",
     "name": "Pure Land",
     "parent": "mahayana",
     "start": 153,
     "end": null,
     "date": "153 · 179",
     "note": "An image of the Buddha Amitābha dated 153 at Mathurā; Lokakṣema's translation naming him (179); Tanluan and Shandao in China; Hōnen's exclusive nembutsu (1175).",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/mahayana-buddhism-origins/"
    },
    {
     "id": "chan",
     "kind": "branch",
     "name": "Chan / Zen",
     "parent": "mahayana",
     "start": 547,
     "end": null,
     "date": "547 · 732",
     "note": "Earliest mention of Bodhidharma (547); Shenhui attacks the 'Northern school' (732); the Jingde Record fixes the genealogy (1004).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/buddhism-in-china-silk-road/#chan-a-lineage-built-after-the-fact"
    },
    {
     "id": "tiantai",
     "kind": "branch",
     "name": "Tiantai / Tendai",
     "parent": "mahayana",
     "start": 590,
     "end": null,
     "date": "Zhiyi, 538–597 · 806",
     "note": "Zhiyi organises the whole canon as stages of the Buddha's teaching, the Lotus Sūtra supreme; Saichō brings it to Japan (Tendai recognised 806).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/buddhism-in-china-silk-road/#how-buddhism-became-chinese"
    },
    {
     "id": "vajrayana",
     "kind": "branch",
     "name": "Vajrayāna (tantra)",
     "parent": "mahayana",
     "start": 670,
     "end": null,
     "date": "before 674",
     "note": "The Mahāvairocana Sūtra; mantra, maṇḍala and initiation; the Pāla monasteries of Bengal and Bihar.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/tantra-vajrayana-decline-india/"
    },
    {
     "id": "tibet",
     "kind": "branch",
     "name": "Tibetan Buddhism",
     "parent": "vajrayana",
     "start": 779,
     "end": null,
     "date": "779",
     "note": "Samye consecrated and the first Tibetan monks ordained; Buddhism the religion of the realm under Trisong Detsen.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/tibetan-buddhism-history/"
    },
    {
     "id": "shingon",
     "kind": "branch",
     "name": "Shingon (Japan)",
     "parent": "vajrayana",
     "start": 806,
     "end": null,
     "date": "806",
     "note": "Kūkai returns from China with esoteric teaching.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/japanese-buddhism-zen-pure-land/"
    },
    {
     "id": "nara",
     "kind": "mark",
     "name": "Japan: state Buddhism at Nara",
     "parent": "mahayana",
     "start": 741,
     "end": null,
     "date": "538/552 · 741 · 752",
     "note": "Buddhism reaches the Yamato court from Baekje; a state temple in every province (741); the Great Buddha of Tōdaiji (752).",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/japanese-buddhism-zen-pure-land/"
    },
    {
     "id": "nyingma",
     "kind": "mark",
     "name": "Nyingma organised; Kadam, Sakya, Kagyu",
     "parent": "tibet",
     "start": 1073,
     "end": null,
     "date": "1042 · 1073 · 11th–12th c.",
     "note": "Atiśa arrives (1042); Sakya monastery founded (1073); the Kagyu descend from Marpa (1012–1097); Nyingma, the 'old' school, organises in the 11th–12th c.",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/tibetan-buddhism-history/"
    },
    {
     "id": "pagan",
     "kind": "mark",
     "name": "Burma, Siam and Cambodia turn Theravāda",
     "parent": "theravada",
     "start": 1113,
     "end": null,
     "date": "1113 · 1292 · 1309",
     "note": "The Myazedi inscription at Pagan (1113); Sukhothai (1292, traditional); the first Pali inscription in Cambodia (1309).",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/theravada-southeast-asia/"
    },
    {
     "id": "mahavihara-unified",
     "kind": "mark",
     "name": "Sri Lanka's orders unified under the Mahāvihāra",
     "parent": "theravada",
     "start": 1165,
     "end": null,
     "date": "c. 1165",
     "note": "Parākramabāhu I; the nuns' order had already vanished after 1017.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/theravada-southeast-asia/#3-a-king-unifies-the-saṅgha"
    },
    {
     "id": "jodo",
     "kind": "branch",
     "name": "Jōdo and Jōdo Shinshū (Hōnen, Shinran)",
     "parent": "pure-land",
     "start": 1175,
     "end": null,
     "date": "1175 · 1207",
     "note": "Hōnen turns to the exclusive nembutsu (1175); banned and exiled with Shinran (1207); Shinran's followers become Jōdo Shinshū, today Japan's largest traditional school.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/japanese-buddhism-zen-pure-land/#6-shinran-how-much-more-so-an-evil-person"
    },
    {
     "id": "rinzai",
     "kind": "branch",
     "name": "Rinzai Zen",
     "parent": "chan",
     "start": 1191,
     "end": null,
     "date": "1191",
     "note": "Eisai returns from China with Linji Chan.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/japanese-buddhism-zen-pure-land/"
    },
    {
     "id": "soto",
     "kind": "branch",
     "name": "Sōtō Zen",
     "parent": "chan",
     "start": 1227,
     "end": null,
     "date": "1227",
     "note": "Dōgen returns from China; the Shōbōgenzō; Eiheiji founded (1244).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/japanese-buddhism-zen-pure-land/"
    },
    {
     "id": "nichiren",
     "kind": "branch",
     "name": "Nichiren",
     "parent": "tiantai",
     "start": 1260,
     "end": null,
     "date": "1260",
     "note": "Nichiren, a Tendai monk, submits the Risshō ankoku ron; the Lotus Sūtra alone.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/japanese-buddhism-zen-pure-land/"
    },
    {
     "id": "tulku",
     "kind": "mark",
     "name": "Reincarnate lamas; the Geluk school",
     "parent": "tibet",
     "start": 1409,
     "end": null,
     "date": "13th c. · 1409",
     "note": "Karma Pakshi recognised as a rebirth (13th c.); Tsongkhapa founds Ganden (1409); the title Dalai Lama (1578); the Fifth Dalai Lama rules Tibet (1642).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/tibetan-buddhism-history/#lamas-and-mongols-how-monks-came-to-rule"
    },
    {
     "id": "siam-nikaya",
     "kind": "mark",
     "name": "Ordination restored and reformed",
     "parent": "theravada",
     "start": 1753,
     "end": null,
     "date": "1753 · 1833",
     "note": "Siamese monks restore higher ordination in Kandy (the Siam Nikāya, 1753); Mongkut founds the reforming Dhammayut order (c. 1833).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/theravada-southeast-asia/"
    },
    {
     "id": "modernism",
     "kind": "mark",
     "name": "Buddhist modernism",
     "parent": "theravada",
     "start": 1880,
     "end": null,
     "date": "1873 · 1880 · 1891",
     "note": "The Pānadura debate (1873); Olcott takes the precepts at Galle (1880); Dharmapāla's Maha Bodhi Society (1891); the Parliament of Religions (1893).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/buddhist-modernism-colonial/"
    },
    {
     "id": "vipassana",
     "kind": "mark",
     "name": "Meditation for lay people",
     "parent": "theravada",
     "start": 1910,
     "end": null,
     "date": "c. 1900–1923 · 1949",
     "note": "Ledi Sayadaw's manuals in colonial Burma; Mahasi Sayadaw teaches in Rangoon (1949); Goenka's courses (1969); secular mindfulness (1979).",
     "confidence": "majority",
     "url": "https://howitevolved.com/buddhism/buddhist-modernism-colonial/"
    },
    {
     "id": "soka-gakkai",
     "kind": "branch",
     "name": "Sōka Gakkai",
     "parent": "nichiren",
     "start": 1930,
     "end": null,
     "date": "1930",
     "note": "Founded as a lay society within Nichiren Shōshū; grows after 1945.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/modern-buddhism-mindfulness/"
    },
    {
     "id": "humanistic",
     "kind": "mark",
     "name": "Humanistic Buddhism",
     "parent": "mahayana",
     "start": 1925,
     "end": null,
     "date": "1920s · 1966–67",
     "note": "Taixu calls for a 'Buddhism for human life'; Tzu Chi (1966) and Fo Guang Shan (1967) in Taiwan.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/buddhist-modernism-colonial/"
    },
    {
     "id": "navayana",
     "kind": "branch",
     "name": "Navayāna (Ambedkar)",
     "parent": "buddha",
     "start": 1956,
     "end": null,
     "date": "14 October 1956",
     "note": "Ambedkar and hundreds of thousands of Dalits take the refuges at Nagpur, with 22 vows renouncing the Hindu gods; Buddhism as social liberation.",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/buddhist-modernism-colonial/#5-ambedkars-vows-1956"
    },
    {
     "id": "exile",
     "kind": "mark",
     "name": "The Dalai Lama in exile",
     "parent": "tibet",
     "start": 1959,
     "end": null,
     "date": "1950 · 1959",
     "note": "The People's Liberation Army enters Tibet (1950); the 14th Dalai Lama flees to India (1959); rival Panchen Lamas (1995).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/modern-buddhism-mindfulness/"
    },
    {
     "id": "west",
     "kind": "mark",
     "name": "Zen and engaged Buddhism in the West",
     "parent": "chan",
     "start": 1962,
     "end": null,
     "date": "1962 · 1966",
     "note": "San Francisco Zen Center incorporated (1962); Thích Nhất Hạnh's Order of Interbeing (1966).",
     "confidence": "consensus",
     "url": "https://howitevolved.com/buddhism/modern-buddhism-mindfulness/"
    }
   ]
  }
 ],
 "links": [
  {
   "from": "judaism:israel",
   "to": "christianity:jesus",
   "year": 30,
   "kind": "within",
   "label": "Christianity begins as a movement inside Judaism",
   "confidence": "majority",
   "url": "https://howitevolved.com/judaism/second-temple-judaism/#the-jesus-movement"
  },
  {
   "from": "judaism:israel",
   "to": "islam:muhammad",
   "year": 380,
   "kind": "context",
   "label": "Jewish and Christian Arabia: Ḥimyar's kings turn to one god (c. 380) and to Judaism or something close to it",
   "confidence": "majority",
   "url": "https://howitevolved.com/islam/pre-islamic-arabia/"
  },
  {
   "from": "christianity:jesus",
   "to": "islam:muhammad",
   "year": 610,
   "kind": "context",
   "label": "Muhammad preaches the God of Abraham in a world of Christian and Jewish empires",
   "confidence": "majority",
   "url": "https://howitevolved.com/islam/pre-islamic-arabia/"
  },
  {
   "from": "hinduism:shramana",
   "to": "buddhism:buddha",
   "year": -445,
   "kind": "within",
   "label": "The Buddha, one renouncer among the śramaṇas; karma and rebirth accepted, the Vedas and a permanent self rejected",
   "confidence": "majority",
   "url": "https://howitevolved.com/buddhism/buddhism-origins-shramana/"
  },
  {
   "from": "hinduism:vedic",
   "to": "buddhism:navayana",
   "year": 1956,
   "kind": "exit",
   "label": "Ambedkar leads Dalits out of Hinduism into Buddhism",
   "confidence": "consensus",
   "url": "https://howitevolved.com/hinduism/modern-hinduism-since-1947/"
  }
 ]
}