Abu Ja'far al-Mansur

أبو جعفر المنصور

Abdullah ibn Muhammad ibn Ali ibn Abdullah ibn al-Abbas, second Abbasid caliph; in al-Baladhuri: the thousand dinars Abd al-Malik had added to the Cypriots' tribute ran until his caliphate, when he said 'we are worthier of being just to them, and did not profit by wronging them', restoring them to Mu'awiya's ancient treaty; he it was who granted his brother Sulayman ibn Ali Balis and its villages after the confiscation of Umayyad wealth.

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Abu Ja'far al-Mansur was the second Abbasid caliph. He built Baghdad — al-Mas'udi says fifty thousand men worked on it each day — and in his days Ibn Ishaq wrote the sira and books were translated from other languages into Arabic. He died on the road to the Sanctuary.

Abu Ja'far Abd Allah ibn Muhammad al-Mansur, second Abbasid caliph, was born in 95 AH to Salama the Berber. Al-Suyuti describes him as the most dignified, brave and resolute of the Abbasids, nicknamed Abu al-Dawaniq for counting workmen to the last grain. He built Baghdad — al-Mas'udi says fifty thousand men each day — and al-Rusafa in 151 AH, and returned Cyprus to Mu'awiya's old treaty. Al-Mas'udi's 'firsts' for him: the first caliph to court astrologers, the first to have books translated from foreign tongues into Arabic — Kalila wa-Dimna and Euclid — the first to employ his clients over the Arabs, and in his days Ibn Ishaq composed the sira. He died at Bi'r Maymun on the road to the Sanctuary.

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Abu Ja'far Abd Allah ibn Muhammad ibn Ali ibn Abd Allah ibn al-Abbas al-Mansur, second Abbasid caliph, was born in 95 AH — in the year of al-Hajjaj's death, on al-Mas'udi's account — to Salama the Berber, an umm walad. Al-Suyuti calls him the most dignified, brave and resolute of the Abbasids and a gatherer of wealth, nicknamed Abu al-Dawaniq for reckoning workmen to the last grains. His works: Baghdad — fifty thousand men daily per al-Mas'udi — al-Rusafa in 151 AH, Cyprus returned to Mu'awiya's old treaty in al-Baladhuri, and grants to his brother Sulayman after the Umayyad confiscations. His account carries the Abu Hanifa case: al-Suyuti says he had him beaten over the judgeship then jailed until he died — 'it was said' by poison for a fatwa of rebellion, the 'it was said' keeping it contested. Al-Mas'udi's firsts attach to him: courting astrologers, translating foreign books (Kalila wa-Dimna, Euclid), preferring clients over Arabs, and Ibn Ishaq's sira composed in his reign. He died at Bi'r Maymun on the road to the Sanctuary leaving a great treasury on al-Mas'udi's count.

Overview

Abu Ja'far al-Mansur, Abd Allah ibn Muhammad ibn Ali ibn Abd Allah ibn al-Abbas, the second of the Abbasid caliphs. 1

Birth and qualities

Al-Suyuti says that he was born in 95 AH and that his mother was Salama the Berber, a concubine. He describes him as the greatest in dignity, courage and firmness of the Abbasids, a gatherer of wealth, and calls him Abu al-Dawaniq for his calling the governors and craftsmen to account for dawaniq and grains. 1 Al-Mas'udi says that he was born in the year in which al-Hajjaj died. 2

His works

He built al-Rusafa in 151 AH. 1 Al-Mas'udi says that fifty thousand men worked each day on the building of Baghdad. 2 Al-Baladhuri says that he returned the people of Cyprus to the old peace of Mu'awiya, and granted his brother Sulayman ibn Ali Baalbek and its villages after the confiscation of the wealth of the Umayyads. 3

Abu Hanifa

Al-Suyuti says that he appointed Abu Hanifa to the judgeship, then imprisoned him, and he died a few days later. It is said that he killed him by poison because he issued a fatwa for rebellion against him. 1 The phrase "it is said" keeps the matter open to dispute.

The firsts attributed to him by al-Mas'udi and al-Suyuti

  • The first caliph to bring astrologers near and to act by the rules of the stars. 4
  • The first caliph in whose time books were translated from foreign languages into Arabic, among them Kalila wa Dimna and Euclid. 4
  • The first caliph to use his clients in offices and to set them before the Arabs. Al-Mas'udi attributes to that the fall of the might of the Arabs. 4
  • In his days Muhammad ibn Ishaq wrote the book of the campaigns and the biography. 4

Death

Al-Mas'udi says that he died at Bir Maymun on his way to the Sacred Sanctuary, and that he left six hundred thousand thousand dirhams and fourteen thousand thousand dinars. 2

Notes for researchers

  • The rulings attributed here are the views of their owners, and do not express the museum's view.

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Parent of
Muhammad al-Mahdi
Participated in
The Entry of Abd al-Rahman al-Dakhil into al-Andalus· Beginning of the codification of knowledge· The Building of the Hashimite City at Kufa· Death of al-Mansur· Deposition of Isa ibn Musa from the succession· The Fall of Qaliqala, 133, and its Rebuilding· The Founding of Madinat al-Salam (Baghdad)· The Building of al-Rafiqa· Hisham ibn Amr al-Taghlibi's Sind· The Ifriqiyan Army's Rising against Ibn al-Ash'ath in His Palace· The Killing of Mansur ibn Jamwana· al-Mansur Orders the Tall Qalansuwa Caps· The Rising of Musafir al-Qassab in Armenia· Armenia's Rising under al-Hasan ibn Qahtaba· The uprising of Muhammad al-Nafs al-Zakiyya and his brother Ibrahim· The qadi's ruling against al-Mansur· Al-Mansur's Rebuilding of Malatya· The Second Raid on Cyprus· The Revolt of Ustadhsis· Yazid ibn Asid al-Sulami's Governorship of Armenia· Yazid ibn Hatim's March to Ifriqiya and His Killing of Abu Khatim

People and things also explored

Muhammad al-Mahdi· Armenia· Harun al-Rashid· Isa ibn Musa· al-Raqqa· Deposition of Isa ibn Musa from the succession· The Founding of Madinat al-Salam (Baghdad)· The Building of al-Rafiqa

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Sources

  1. Tarikh al-Khulafa — al-Suyuti (Dar al-Minhaj edition) , p. 422,426
  2. Muruj al-Dhahab — al-Masʼudi , p. 295-296
  3. Futuh al-Buldan — al-Baladhuri (Mu'assasat al-Ma'arif edition)
  4. Muruj al-Dhahab — al-Masʼudi , p. 668-669
  • al-Farghani, Elementa astronomica (Golius, Amsterdam 1669)
Cite this page

islam.museum contributors. “Abu Ja'far al-Mansur”. islam.museum, https://islam.museum/en/person/al-mansur/. CC BY-SA 4.0. Last updated 2026-10-29.

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Muhammad al-Mahdi

Muhammad ibn Abdullah al-Mansur, al-Mahdi, third Abbasid caliph; in al-Baladhuri: he sent his son Harun raiding Byzantine lands in year 163, besieging Damalu — its people by some reports settled at Baghdad on his ruling, spared and named for their town — and he completed what remained of the march-cities' and fortresses' works after his father al-Mansur, adding to their garrisons, ordered al-Hadath built and bequeathed the building of Tarsus on al-Hasan ibn Qahtaba's description; in his caliphate a body of Qinnasrin's hadir converted and he had the khadra written at their hands.