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...

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...

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...

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...

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...

accession, his son al-Ma'mun was born, and al-Amin some little time later: the latter was the son of Zubaida, a granddaughter of al-Mansur (founder of...

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...

Al-Qasim al-Ma'mun ibn Hammud (Arabic: القاسم المأمون بن حمّود, died 1036) was an Arab Caliph of Córdoba in Muslim Spain for two periods, 1018 to 1021...

father-in-law, the vizier al-Afdal Shahanshah. When the latter was murdered, possibly with al-Amir's connivance, he appointed al-Ma'mun al-Bata'ihi as his vizier...

Abu al-Hasan as-Said al-Mutadid (Arabic: الحسن المعتضد بالله السعيد بن المأمون; abū al-ḥasan al-mu`taḍid bi-llah as-sa`īd ben al-mā'mūn; died 1248) was...

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...

was a period of religious persecution instituted by the Abbasid caliph al-Ma'mun in 833 CE in which religious scholars were punished, imprisoned, or even...

city by the caliph al-Ma'mun. An Alid by birth, Ibrahim was one of the eighteen or nineteen sons of the seventh Shi'ite imam Musa al-Kazim (d. 799), and...

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...

Islamic historian Al-Maqrizi (1364–1442) compiled lore about the Great Pyramid in his Al-Khitat. In addition to reasserting that Al-Ma'mun breached the structure...

of his uncle, caliph al-Ma'mun, who ruled until his death in 833. According to the account of al-Tabari, on his deathbed al-Ma'mun dictated a letter nominating...

who served under Caliph al-Ma'mun (r. 813–832). He played a crucial role in the civil war between al-Ma'mun and his brother al-Amin (r. 809–813), and was...

caliphs visited Jerusalem or commissioned work on the al-Aqsa Mosque, though Caliph al-Ma'mun (r. 813–833) ordered significant work elsewhere on the...

Al-Abbas ibn al-Ma'mun (Arabic: العباس بن المأمون) (died 838 CE) was an Abbasid prince and general, the son of the Abbasid caliph al-Ma'mun (r. 813–833)...

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...

It was founded on 23 April 1990, and it is one of the oldest private universities in Iraq. List of universities in Iraq University of Al-Ma'mun v t e...

erupted after Harun's death, siding with al-Amin against his half-brother al-Ma'mun (r. 813–833). After al-Ma'mun's victory he went into hiding, but eventually...

Wisdom.: 14  The House of Wisdom was established by the Abbasid Caliph al-Ma'mūn. Al-Khwārizmī studied sciences and mathematics, including the translation...

served under al-Ma'mun during the Fourth Fitna and led the armies that would defeat al-Amin, making al-Ma'mun the caliph. Tahir bin al-Husayn was then...

(Jats) between 810 and 835 in Iraq during the reign of al-Ma'mun and continued to the era of al-Mu'tasim. The Rebellion began from the Zutt tribe of Jats...

caliphs visited Jerusalem or commissioned work on the al-Aqsa Mosque, though Caliph al-Ma'mun (r. 813–833) ordered significant work elsewhere on the...

just founded the library of the Bayt al-Ḥikmah. But al-Nadim suspected al-Jāḥiẓ's claim that the caliph al-Ma’mūn had praised his books on the imamate...

after their leader Yahya ibn Abi’l-Shumayt (al-Sumayt). However, his revolt against the Caliph al-Ma'mun proved unsuccessful in the very same year it...

– but Abdallah al-Ghalib II, a son of Al-Ma'mun who now also claimed the throne, managed to hold it between 1606 and 1609. Al-Ma'mun himself, meanwhile...

the Abbasid caliphs al-Ma'mun (r. 813–833) and al-Mu'tasim (r. 833–842). On account of his learning and aptitude for study, al-Ma'mun appointed him to the...