al-Maʾmun
Abbasid caliph from(r. 813–833)
Birth
September 17, 786
Baghdad, Iraq
Death
August 13, 833
Baghdad, Iraq
Other Names
Al-mamoun, Abuʹl-ʻAbbās ʻAbd Allāh ibn Harūn al-Maʼmūn,, Abū Jaʿfar Abdullāh al-Maʾmūn ibn Harūn
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