Abū Yahya Zakariya al-Musta'sim bi'llah (), (died 1389) was the eighth

Abbasid caliph The Abbasid caliphs were the holders of the Islamic title of caliph who were members of the Abbasid dynasty, a branch of the Quraysh tribe descended from the uncle of the Islamic prophet Muhammad, Al-Abbas ibn Abd al-Muttalib. The family came ...

Cairo Cairo ( ; ar, القاهرة, al-Qāhirah, ) is the capital of Egypt and its largest city, home to 10 million people. It is also part of the largest urban agglomeration in Africa, the Arab world and the Middle East: The Greater Cairo met ...

under the tutelage of the

Mamluk Sultanate The Mamluk Sultanate ( ar, سلطنة المماليك, translit=Salṭanat al-Mamālīk), also known as Mamluk Egypt or the Mamluk Empire, was a state that ruled Egypt, the Levant and the Hejaz (western Arabia) from the mid-13th to early 16t ...

. He served twice: first in 1377, then again in 1386–1389. Al-Musta'sim was the son of

al-Wathiq I Al-Wathiq I (), (died after 1341) was the fourth Abbasid caliph seated in Cairo under the Mamluk Sultanate The Mamluk Sultanate ( ar, سلطنة المماليك, translit=Salṭanat al-Mamālīk), also known as Mamluk Egypt or the Mamluk E ...

(the fourth Caliph of Cairo). His given name was Zakariya and his Kunya was Abu Yahya. He was first installed in the office in 1377 for a short period of time, after

al-Mutawakkil I Al-Mutawakkil I (), (died 9 January 1406) was the seventh Abbasid caliph of Cairo for the Mamluk Sultanate between 1362 and 1383, and then 1389 and 1406. Life During his reign Khallas Mansour Mohammed in 764 and the Sultanate's accession to hi ...

was deposed. Al-Musta'sim was also deposed by Mamluk sultan and al-Mutawakkil I was again installed as caliph of Cairo by Mamluks. After few years, in 1386 al-Musta'sim was again installed as caliph of Cairo for the Mamluk Sultanate. He remained in the office from 1386 to 1389 and he was again succeeded by

in 1389.

Bibliography

* * 1389 deaths Cairo-era Abbasid caliphs 14th-century Abbasid caliphs Year of birth unknown Sons of Abbasid caliphs {{MEast-royal-stub