The Euphrates flood and the ruin of Bab al-Anbar

فيضان الفرات وخراب باب الأنبار

c. 940 CE · 329 AH

Baghdad

In 329 the Euphrates rose eleven cubits and burst from the Anbar side, sweeping villages, people, cattle and beasts; water poured down the Sarat into Baghdad's western quarters drowning Bab al-Anbar street to the last house, toppling the Sarat's iron bridge — while the Tigris rose eighteen cubits in May–June 1.

Depth

At a glance

Era
The Early Abbasid Caliphate
Region
Levant & Iraq
Review
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In time

930940950 c.
Abbasid Fragmentation · The Buyid, Fatimid and Seljuk Era

In space

Baghdad

Map: Natural Earth, public domain · places and route from the graph

Overview

In 329 the Euphrates rose eleven cubits and burst out by Anbar, sweeping villages under — people, beasts and wild animals drowned; the water poured through al-Sarat toward Baghdad into the western quarter's streets until Bab al-Anbar street was submerged and not a house of it left standing. Buildings collapsed onto al-Sarat, the iron bridge of al-Sarat fell, part of the Daylij canal broke, and the Tigris rose eighteen cubits in May and June 1.

Connections

Explore the connections

Occurred at
Baghdad

People and things also explored

The Nizamiyya Madrasa of Baghdad· Bayt al-Hikma — the House of Wisdom· The 'Adudi Bimaristan· al-Bimaristan al-Muqtadiri· Bimaristan al-Sayyida· Dar al-'Ilm of Baghdad (Sabur's library)· The Jami' al-Qati'a of Baghdad· The mosque of Qati'at Umm Ja'far

Sources

  1. al-Muntazam fi Tarikh al-Muluk wa'l-Umam — Ibn al-Jawzi , p. 608
Cite this page

islam.museum contributors. “The Euphrates flood and the ruin of Bab al-Anbar”. islam.museum, https://islam.museum/en/event/euphrates-flood-329/. CC BY-SA 4.0. Last updated 2026-10-22.

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Related

The Nizamiyya Madrasa of Baghdad

The Nizamiyya of Baghdad, first and most famous of the madrasas founded by the vizier Nizam al-Mulk al-Tusi: building began in 457 and sisters rose at Nishapur, Isfahan, Herat, Basra, Mosul and Amid; the Imam al-Haramayn al-Juwayni then Abu Ishaq al-Shirazi taught in it, and it mothered the Sunni institutional model that the later madrasas of Baghdad followed — the caliphs prayed there and Nizam al-Mulk himself visited to inspect its library.