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- Era
- The Early Abbasid Caliphate
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Al-Mu'tasim Billah, Abu Ishaq Muhammad ibn Harun al-Rashid, eighth of the Abbasid caliphs, the caliph of the Amorium campaign; he died in 227 AH.
Al-Mu'tasim Billah, Abu Ishaq Muhammad ibn Harun al-Rashid, eighth of the Abbasid caliphs, died in 227 AH. Al-Baladhuri records that in his caliphate the Romans went out to Zibatra and ruined it, which angered him into campaigning until he reached Amorium, besieged it till he opened it, then laid it waste — ordering Zibatra rebuilt and fortified. Al-Suyuti records al-Ma'mun naming him for the caliphate in letters sent to the lands before his death. He was called 'al-Muthamman' (the Eighter): eighth Abbasid caliph, eighth of al-Rashid's sons, ruled eight years, eight months and eight days, lived forty-eight years, and is credited with eight conquests and eight sons; his seal bore 'Praise be to God, nothing is like unto Him'.
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Al-Mu'tasim Billah, Abu Ishaq Muhammad ibn Harun al-Rashid, eighth of the Abbasid caliphs, died in 227 AH. Al-Baladhuri records that in his caliphate the Romans went out to Zibatra, killed the men, took the women captive and ruined it, which angered him into campaigning until he reached Amorium, besieged it till he opened it, then laid it waste — ordering Zibatra rebuilt and fortified; son of Harun al-Rashid, he took part in the Zibatra affair and the opening of Amorium. Al-Suyuti records al-Ma'mun naming him for the caliphate in letters sent to the lands before his death — said to be by al-Ma'mun's command, said to be written when a faint struck him. Al-Suyuti tells he was called 'al-Muthamman' (the Eighter): eighth Abbasid caliph, eighth of al-Rashid's sons, ruled eight years, eight months and eight days, lived forty-eight years, and is credited with eight conquests and eight sons. His seal bore 'Praise be to God, nothing is like unto Him'.
Overview
Al-Mu'tasim billah, Abu Ishaq Muhammad ibn Harun al-Rashid, the eighth of the Abbasid caliphs, who died in 227 AH. 1 2 He was the son of Harun al-Rashid.
His command and the conquest of Amorium
Al-Baladhuri relates that in his caliphate the Byzantines went out to Zibatra, killed the men, took the women captive and ruined it. This angered him, and he raided them until he reached Amorium, besieged it until he took it, and then ruined it. He ordered Zibatra rebuilt and fortified. 3 He took part in this event and in the conquest of Amorium.
The succession
Al-Suyuti says that al-Ma'mun named him as caliph in letters sent to the lands shortly before his death. It is said this was by al-Ma'mun's order, and it is also said the letters were written when al-Ma'mun fell into a faint. 4
"The Eighth"
Al-Suyuti relates that he was called "al-Muthamman", because he was the eighth of the Abbasid caliphs and the eighth of Harun's sons, and he reigned eight years, eight months and eight days, and lived forty-eight years. He counts eight conquests and eight sons. 1
His seal bore: "Praise belongs to God, there is nothing like Him." 1
His conduct in al-Mas'udi
Al-Mas'udi says that in matters of doctrine he followed the view of his brother al-Ma'mun, and love of horsemanship and imitation of the kings of the non-Arabs overcame him. He wore caps and turbans, and people followed him, so they were called "al-Mu'tasimiyyat". Roads were safe in his days. 5
He gathered Turks and bought them until they reached four thousand. When they harmed the common people of Baghdad by galloping horses through the markets, he resolved to move, and he camped at al-Baradhan, then al-Qatul, then Samarra. 6
His death
He died on the Tigris in his palace known as al-Khaqani on Thursday, eighteen nights before the end of Rabi al-Awwal 227 AH, at the age of forty-eight. He was born in al-Khuld in Baghdad in 180 AH. 2
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Connections
- Related to
- Abu Tammam al-Ta'i· Ahmad ibn Abi Du'ad· Ahmad ibn al-Khasib· دعبل الخزاعي· محمد بن عبد الملك الزيات
- Participated in
- The Sack of Zibatra and al-Mu'tasim's Retaliation· Conquest of Amorium· Death of al-Mu'tasim· The Fall of Qaliqala, 133, and its Rebuilding· The Garrisoning of Sur man Ra'a (Samarra)· Imran ibn Musa's Sind and the Zutt-Mayd Wars· The Court's Wooing of Transoxania· The Conversion of al-Usayfan's King· The Zutt Brigandage and Ujayf's War
- Child of
- Harun al-Rashid
People and things also explored
Abd Allah al-Ma'mun ibn Harun al-Rashid· Conquest of Amorium· The Garrisoning of Sur man Ra'a (Samarra)· The Sack of Zibatra and al-Mu'tasim's Retaliation· Harun al-Rashid· Bayt al-Hikma — the House of Wisdom· The Aman of Samalu and its People's Transfer to Baghdad· Death of Harun al-Rashid at Tus
Sources
- Tarikh al-Khulafa — al-Suyuti (Dar al-Minhaj edition) , p. 520-527
- Muruj al-Dhahab — al-Masʼudi , p. 453
- Futuh al-Buldan — al-Baladhuri (Mu'assasat al-Ma'arif edition)
- Tarikh al-Khulafa — al-Suyuti (Dar al-Minhaj edition) , p. 493
- Muruj al-Dhahab — al-Masʼudi , p. 672
- Muruj al-Dhahab — al-Masʼudi , p. 442, 444-445
Cite this page
islam.museum contributors. “al-Mu'tasim Abu Ishaq ibn al-Rashid”. islam.museum, https://islam.museum/en/person/al-mutasim-abi-ishaq/. CC BY-SA 4.0. Last updated 2026-10-26.