al-Mustansir succeeds to the caliphate

خلافة المستنصر بالله

c. 1226 CE · 623 AH

Baghdad

al-Mustansir, son of al-Zahir, received the bay'a — the last caliph of Baghdad before its ruin 1.

Depth

At a glance

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In time

1210122012301240 c.
The Crusades, Ayyubids and Mamluks · The Mongol and Post-Mongol Era

In space

Baghdad

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

Summary

Al-Mustansir bi-Llah, son of al-Zahir, was given the oath of allegiance to the caliphate, and his rule lasted until the ruin of Baghdad. 1

Connections

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Occurred at
Baghdad
Had participant
al-Mustansir bi'llah Mansur ibn al-Zahir

People and things also explored

Death of Caliph al-Mustansir Billah and accession of al-Musta'sim in 640· 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

Sources

  1. al-Kamil fi'l-Tarikh of Ibn al-Athir , p. 465
Cite this page

islam.museum contributors. “al-Mustansir succeeds to the caliphate”. islam.museum, https://islam.museum/en/event/mustansir-accession-623/. CC BY-SA 4.0. Last updated 2026-10-22.

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Related

Death of Caliph al-Mustansir Billah and accession of al-Musta'sim in 640

Caliph al-Mustansir Billah died Friday morning, 10 Jumada II 640; the people mourned greatly and his son Abdallah al-Musta'sim was proclaimed.