786 – 9 August 833), better known by his regnal name al-Ma'mun (Arabic: المأمون, romanized: al-Maʾmūn), was the seventh Abbasid caliph, who reigned from...

ed. (1987). The History of al-Ṭabarī, Volume XXXII: The Reunification of the ʿAbbāsid Caliphate: The Caliphate of al-Maʾmūn, A.D. 813–33/A.H. 198–213....

of al-Amīn ("The Trustworthy"), effectively marking him out as his main heir, while Abdallah was not named second heir, under the name al-Maʾmūn ("The...

Muhammad al-Jawad was the son of Ali al-Rida, the eighth of the Twelve Imams. In 817, the Abbasid caliph al-Ma'mun (r. 813–833) summoned al-Rida to Khorasan...

of al-Amīn ("The Trustworthy"), effectively marking him out as his main heir, while Abdallah was not named second heir, under the name al-Maʾmūn ("The...

brothers al-Amin and al-Ma'mun over the succession to the throne of the Abbasid Caliphate. Their father, Caliph Harun al-Rashid, had named al-Amin as the...

ed. (1987). The History of al-Ṭabarī, Volume XXXII: The Reunification of the ʿAbbāsid Caliphate: The Caliphate of al-Maʾmūn, A.D. 813–33/A.H. 198–213....

Muhsin al-Amin (1983). A'yan al-Shi'ah, Vol. 2 (in Arabic). Beirut: Dar al-Ta'aruf li al-Matbu'at. OCLC 4769945206. Rekaya, M. (1991). "al-Maʾmūn". In Bosworth...

Abu al-Ala Idris al-Ma'mun (Arabic: أبو العلا المأمون إدريس بن المنصور; Abū Al-`lā Al-Mā'mūn Idrīs ibn Al-Manṣūr; died 16 or 17 October 1232) was an Almohad...

in the Arabic language. During the reign of the seventh Abbasid caliph al-Ma'mun (r. 813–833), it was turned into a public academy and a library. Finally...