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Abu Ja'far al Mansur

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This profile of Abu Ja'far al Mansur is part of
Who's Who in Medieval History

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Abu Ja'far al Mansur was also known as:

Abu Ja'far Abd Allah Al-mans ur Ibn Muhammad, al Mansur or Al Mans ur

Abu Ja'far al Mansur was noted for:

establishing the Abbasid caliphate. Though he was actually the second Abbasid caliph, he succeeded his brother only five years after the overthrow of the Umayyads, and the bulk of the work was in his hands. Thus, he is sometimes considered the true founder of the Abbasid dynasty. Al Mansur established his capital at Baghdad, which he named the City of Peace.

Occupation:

Caliph

Places of Residence and Influence:

Asia: Arabia

Important Dates:

Died: Oct. 7, 775

About Abu Ja'far al Mansur:

Al Mansur's father Muhammad was a prominent member of the Abbasid family and the great-grandson of the revered Abbas; his mother was a Berber slave. His brothers led the Abbasid family while the Umayyads were still in power. The elder, Ibrahim, was arrested by the last Umayyad caliph and the family fled to Kufah, in Iraq. There al Mansur's other brother, Abu nal-Abbas as-Saffah, received the allegiance of Khorasanian rebels, and they overthrew the Umayyads. Al Mansur was firmly involved in the rebellion and played an important role in eliminating the remains of Umayyad resistance.

Only five years after their victory, as-Saffah died, and al Mansur became caliph. He was ruthless to his enemies and not altogether trustworthy to his allies. He put down several revolts, eliminated most of the members of the movement that brought the Abbasids to power, and even had the man who helped him become caliph, Abu Muslim, killed. Al Mansur's extreme measures caused difficulties, but ultimately they helped him to establish the Abbasid dynasty as a power to be reckoned with.

But the most significant and long-lasting achievement of al Mansur is his establishment of his capital at the brand new city of Baghdad, which he called the City of Peace. A new city removed his people from troubles in partisan regions and housed an expanding bureacracy. He also made arrangements for succession to the caliphate, and every Abbasid caliph was directly descended from al Mansur.

Al Mansur died while on pilgrimage to Mecca, and is buried outside the city.

Resources related to Abu Jafar al Mansur:

Iraq: Historical Setting
The Abbasids

Elsewhere at About

Baghdad in Islamic History
From the About Guide to Islam, Huda.

Abu Jafar al Mansur on the Web
The Caliphate - Its Rise, Decline and Fall; Chapter LXII
Chapter LXII of this work by William Muir (published in 1924) focuses on al Mansur's term as Caliph.

Medieval Islam


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