Mamun, Abu Al-Abbas Abd Allah Al-

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Mamun, Abu Al-Abbas Abd Allah Al-

 

Born September 786; died August 833. Caliph of the Abbasid dynasty (ruled 813-833). Son of Harun al-Rashid, he was governor in Khorasan from 809 to 813. Al-Mamun was known as a patron of learning and a supporter of the Muslim doctrines of the Mutazilites. He ruthlessly crushed popular uprisings in the Abbasid caliphate and launched wars of aggression against Byzantium.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.