al-Muʿtaṣim Bi ’llāh
(973 words)

, Abū Isḥāḳ Muḥammad b. Hārūn al-Ras̲h̲īd , ʿAbbāsid caliph, reigned 218-27/833-42, son of the caliph Hārūn by a slave concubine Mārida.

During the reign of his brother and predecessor al-Maʾmūn [q.v.], al-Muʿtaṣim achieved a reputation as a skilful commander in Anatolia and as governor in Egypt. When al-Maʾmūn died in the Byzantine marches in Rad̲j̲ab 218/August 833, al-Muʿtaṣim was recognised as caliph despite support within the army for his nephew al-ʿAbbās b. al-Maʾmūn (who was, in fact, later to conspire against al-Muʿta…

Cite this page
Bosworth, C.E., “al-Muʿtaṣim Bi ’llāh”, in: Encyclopaedia of Islam, Second Edition, Edited by: P. Bearman, Th. Bianquis, C.E. Bosworth, E. van Donzel, W.P. Heinrichs. Consulted online on 15 October 2018 <http://dx.doi.org/10.1163/1573-3912_islam_SIM_5656>
First published online: 2012
First print edition: ISBN: 9789004161214, 1960-2007



▲   Back to top   ▲