Event

Founding of Babel and the Era of the Tower

Men settle in the plain of Shinar and build a city and a tower (Gen 11:1–4); "the beginning of his [Nimrod's] kingdom was Babel" (Gen 10:10). CFAH dates the founding to 2234/2233 BC and the era of the tower to 2233–2191 BC.

Sort year2234/2233 BC

Tier 1 · CFAH anchor point

Tier 1: CFAH anchor point: 2234/2233 BC (AP-1)

Description

CFAH-2 dates the founding of Babel / root of Chaldean astronomy to 2234/2233 BC from Callisthenes (1,903 years to Alexander), Berossus/Epigenes (720,000 days), the Embolismal period and Philo of Byblos, confirmed by the vernal-equinox new moon of 9 April 2233 BC; CFAH-5 refers to this as AP-1. Four sources give ~42 years for the tower's construction (Duration 19).

Scripture

Chronologies

Dates for Founding of Babel and the Era of the Tower, CFAH first
Chronology	Date as stated	Year (BC / AM)	Citation & note
CFAH anchor point	2234/2233 BC (era of the Tower 2233–2191 BC) Precision: year-range	2234/2233 BC	Griffith & White, "Chronological Framework of Ancient History. 2: Founding of the Nations," ARJ 15 (2022): 405–426, sections "The Root of Chaldean Astronomy: Vernal Equinox, 2233 BC", "Era of the Tower of Babel: 2233–2191 BC" and Table 2; designated AP-1 in Griffith & White, "Chronological Framework of Ancient History. 5: The Babylonian Dynasties of Berossus," ARJ 16 (2023): 635–670 ("Griffith and White 2022b, AP-1") (opens in a new tab) CFAH-2 "Summary of Durations to Babel" prints "2234/2333 BC", evidently a typo for 2234/2233. Sets sort year
Ussher-Jones	Not yet established	—	— Not stated in the Jones sources read (Chart No. 1; Chronology of the Old Testament 15th ed. 2002, Chronological Compendium p. 1). Leave empty until verified.
Ussher	1771 AM, 2234 BC: start of the 1,903 years of Babylonian astronomical observations to Alexander; Nimrod built Babylon Precision: year	2234 BC AM 1771	Ussher, Annals of the World, Second Age §49 (paragraph numbering of the modern transcription) (opens in a new tab) Ussher narrates the tower-building and confusion of tongues under §47 (1757 AM, 2247 BC heading) without a separate year; §49 gives the astronomical epoch that CFAH also uses.
Jordan secondary	Not yet established	—	— Jordan gives no year for the founding of Babel: Nimrod, "born around 1759, as I have suggested", had "plenty of time to grow up ... and found a city, Babel"; "the fall of Babel came in 1871" (BC 6:4 §7). Not stated in the Jordan sources read (Biblical Horizons "Biblical Chronology" category, all 9 pages; garynorth.com archive of Biblical Chronology 1989-1996). Left empty, not inferred.
Biblical statements (direct Scripture data)	After the Flood, in the days of Nimrod; no year stated Precision: unknown	—	Gen 10:8–10; Gen 11:1–9 (opens in a new tab)

People

Nimrod

Places

Maps

Assyria vetus divisa in Syriam, Mesopotamiam, Babyloniam, et Assyriam (1651)

CFAH charts

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CFAH-2 · Fig. 1

Dawn of vernal equinox, April 9, 2233 BC viewed from Gobeklitepe.

Duration 5: Embolismal Period: 1,486 years

Image credit (per the paper): Created by author using SkyMapPro.
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Records: Founding of Babel and the Era of the Tower

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CFAH-2 · Fig. 2

Durations to Babel.

Summary of Durations to Babel

Image credit (per the paper): Image from https://www.alamy.com/the-tower-of-babel-hebrew-migdal-bavel-arabic-burj-babil-according-to-the-book-of-genesis-was-an-enormous-tower-built-in-the-plain-of-shinar-hebrew-according-to-the-bi…
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Records: Founding of Babel and the Era of the Tower, Confusion of Tongues and Dispersion from Babel

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CFAH-2 · Fig. 5

The Era of Babel and Founding of Nations.

Era of the Tower of Babel : 2233–2191 BC
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Records: Founding of Babel and the Era of the Tower, Confusion of Tongues and Dispersion from Babel, First Territorial Division of the Earth

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CFAH-2 · Fig. 6

Borsippa inscription.

Duration 19: The Construction of the Tower of Babel

Image credit (per the paper): Hannay, “Nebuchadnezzar II Inscription,” https://commons.wikimedia.org/wikipedia/commons/7/74/Nebuchadnezzar_II_inscription.jpg.
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Records: Founding of Babel and the Era of the Tower

Answers Research Journal (publicly served image; hotlinked, not copied)