Al-Musta'sim (Cairo)

Abu Yahya Zakariya Al-Musta'sim المستعصم
8th Caliph of Cairo (first period)
Reign	1377
Predecessor	Al-Mutawakkil I
Successor	Al-Mutawakkil I
(second period)
Reign	1386–1389
Predecessor	Al-Wathiq II
Successor	Al-Mutawakkil I
Born	unknown date Cairo, Mamluk Sultanate now Egypt
Died	1389 Cairo, Mamluk Sultanate now Egypt
Father	Al-Wathiq I
Religion	Sunni Islam

Abū Yahya Zakariya al-Musta'sim (Arabic: المستعصم بالله), (died 1389) was the eighth Caliph of Cairo under the tutelage of the Mamluk Sultanate. He served twice first in 1377, then again in 1386–1389.

Bibliography

• Garcin, Jean-Claude (1967). "Histoire, opposition, politique et piétisme traditionaliste dans le Ḥusn al Muḥādarat de Suyûti" [History, opposition, politics and traditionalistic pietism in Suyuti's Ḥusn al Muḥādarat] (PDF). Annales Islamologiques (in French). 7. Institut Français d'Archéologie Orientale: 33–90. Archived from the original (PDF, 14.62 MB) on 2011-07-24. Retrieved 2010-07-22.
• Holt, P. M. (1984). "Some Observations on the 'Abbāsid Caliphate of Cairo". Bulletin of the School of Oriental and African Studies. 47 (3). University of London: 501–507. JSTOR 618882.