Abu Jafar al-Ma'mun ibn Harun (786 - October 10, 833) (المأمون) was an Abbasid caliph who reigned from 813 until his death in 833. He succeeded his brother al-Amin.
Al-Ma'mun - Caliphate.
Al-Ma'mun came to power by defeating his brother in battle. The father of the two brothers was Harun al-Rashid who had ordered that al-Amin be his successor and al-Ma'mun be the governor of Khurasan. His mother was Persian. Al-Ma'mun was to succeed al-Amin upon the latter's death. However, al-Amin would igno ...
818 - Events.
Bishop Theodulf of Orléans is deposed and imprisoned after getting involved in a conspiracy of Bernard, king of Italy, against Louis the Pious
818 - Births.
Avis Kirakosyan March 28, 1990 Avis Kirakosyan
818 - Deaths.
May 26 - Ali ar-Rida, Shia Imam (b. 766)
Category: 818
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January 1 is the first day of the calendar year in both the Julian and Gregorian calendars. Here a calendar year refers to the order in which the months are displayed, January to December. The first day of the medieval Julian year was usually a day other than January 1. This day was adopted as the first day of the Julian year by all Western European countries except England between about 1450 and 1600. The Gregorian calendar as promulgated in 1582 did not specify that Janu ...
Al-Ma'mun came to power by defeating his brother in battle. The father of the two brothers was Harun al-Rashid who had ordered that al-Amin be his successor and al-Ma'mun be the governor of Khurasan. His mother was Persian. Al-Ma'mun was to succeed al-Amin upon the latter's death. However, al-Amin would ignore his father's decision, declaring his own son Musa to be his heir. This led to a conflict between the brothers. Al-Ma'mun would come out on top, with his victorious general Tahir bin Husain (d. 822) storming Baghdad and taking the head ...