Dashed left edge = started before August 833 ·
Dashed right edge = ongoing beyond August 833
Events in August 833 3
786 – 833Al-Ma'mun (786-833)Died 9 August 833, aged 46Al-Ma'mun died near Tarsus while leading a military campaign against the Byzantine Empire. As the seventh Abbasid caliph, he had sponsored the translation movement and founded the House of Wisdom in Baghdad, promoting the study of Greek philosophy and science. He was succeeded by his brother al-Mu'tasim.
833Al-Khwarizmi's patron Caliph al-Ma'mun diesThe death of the caliph who sponsored the House of Wisdom ends a key period of patronageAl-Ma'mun died on campaign near Tarsus in August 833, and his brother al-Mu'tasim succeeded him. Al-Khwarizmi's major dedicated works come from al-Ma'mun's reign.
833Al-Mu'tasim becomes Abbasid CaliphSucceeds his brother al-Ma'mun after death on campaignAl-Mu'tasim was proclaimed the eighth Abbasid caliph in August 833 following the death of his brother al-Ma'mun during a military campaign against the Byzantine Empire. He would go on to found the new capital of Samarra and rely heavily on Turkic military units to consolidate his rule. His reign reshaped the composition and politics of the Abbasid army.