Abū al-ʿAbbās Abd Allāh ibn Hārūn al-Maʾmūn (Arabic: أبو العباس عبد الله بن هارون الرشيد, romanized: Abū al-ʿAbbās ʿAbd Allāh ibn Hārūn ar-Rashīd; 14...

al-Ma'mun died unexpectedly on campaign in August 833, al-Mu'tasim was thus well placed to succeed him, overriding the claims of al-Ma'mun's son al-Abbas...

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...

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

civil war by his half-brother, al-Ma'mun. Muhammad, the future al-Amin, was born in April 787 to the Abbasid caliph Harun al-Rashid (r. 786–809) and Zubayda...

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...

martyrdom of Imam al-Ridha in 818. Harun al-Rashid and his first Heir, prince al-Amin (Al-Amin was nominated first heir, Al-Ma'mun second and Al-Qasim was third...

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...

Upon Al-Amin's death, Al-Ma'mun became Caliph. Al-Ma'mun extended the Abbasid empire's territory during his reign and dealt with rebellions. Al-Ma'mun had...

al-Ma'mun where religious scholars were punished, imprisoned, or even killed unless they conformed to Mu'tazila doctrine, until it was reversed by al-Mutawakkil...