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Abu al-Abbas Abdallah ibn Harun al-Rashid ( ar, أبو العباس عبد الله بن هارون الرشيد, Abū al-ʿAbbās ʿAbd Allāh ibn Hārūn ar-Rashīd; 14 September 786 – 9 August 833), better known by his
regnal name A regnal name, or regnant name or reign name, is the name used by monarchs and popes during their reigns and, subsequently, historically. Since ancient times, some monarchs have chosen to use a different name from their original name when they ...
Al-Ma'mun ( ar, المأمون, al-Maʾmūn), was the seventh
Abbasid The Abbasid Caliphate ( or ; ar, الْخِلَافَةُ الْعَبَّاسِيَّة, ') was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abdul-Muttalib ...
caliph A caliphate or khilāfah ( ar, خِلَافَة, ) is an institution or public office under the leadership of an Islamic steward with the title of caliph (; ar, خَلِيفَة , ), a person considered a political-religious successor to th ...
, who reigned from 813 until his death in 833. He succeeded his half-brother
al-Amin Abu Musa Muhammad ibn Harun al-Rashid ( ar, أبو موسى محمد بن هارون الرشيد, Abū Mūsā Muḥammad ibn Hārūn al-Rashīd; April 787 – 24/25 September 813), better known by his laqab of Al-Amin ( ar, الأمين, al-Amī ...
after a
civil war A civil war or intrastate war is a war between organized groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government policies ...
, during which the cohesion of the
Abbasid Caliphate The Abbasid Caliphate ( or ; ar, الْخِلَافَةُ الْعَبَّاسِيَّة, ') was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abdul-Muttalib ...
was weakened by rebellions and the rise of local strongmen; much of his domestic reign was consumed in pacification campaigns. Well educated and with a considerable interest in scholarship, al-Ma'mun promoted the Translation Movement, the flowering of learning and the sciences in Baghdad, and the publishing of
al-Khwarizmi Muḥammad ibn Mūsā al-Khwārizmī ( ar, محمد بن موسى الخوارزمي, Muḥammad ibn Musā al-Khwārazmi; ), or al-Khwarizmi, was a Persian polymath from Khwarazm, who produced vastly influential works in mathematics, astronom ...
's
book A book is a medium for recording information in the form of writing or images, typically composed of many pages (made of papyrus, parchment, vellum, or paper) bound together and protected by a cover. The technical term for this physical arr ...
now known as "Algebra". He is also known for supporting the doctrine of
Mu'tazilism Muʿtazila ( ar, المعتزلة ', English: "Those Who Withdraw, or Stand Apart", and who called themselves ''Ahl al-ʿAdl wa al-Tawḥīd'', English: "Party of ivineJustice and Oneness f God); was an Islamic group that appeared in early Islamic ...
and for imprisoning Imam
Ahmad ibn Hanbal Ahmad ibn Hanbal al-Dhuhli ( ar, أَحْمَد بْن حَنْبَل الذهلي, translit=Aḥmad ibn Ḥanbal al-Dhuhlī; November 780 – 2 August 855 CE/164–241 AH), was a Muslim jurist, theologian, ascetic, hadith traditionist, and ...
, the rise of religious persecution ('' mihna''), and for the resumption of large-scale warfare with the
Byzantine Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
.


Birth and education

Abdallah, the future al-Ma'mun, was born in
Baghdad Baghdad (; ar, بَغْدَاد , ) is the capital of Iraq and the second-largest city in the Arab world after Cairo. It is located on the Tigris near the ruins of the ancient city of Babylon and the Sassanid Persian capital of Ctesiphon ...
on the night of the 13 to 14 September 786 CE to
Harun al-Rashid Abu Ja'far Harun ibn Muhammad al-Mahdi ( ar , أبو جعفر هارون ابن محمد المهدي) or Harun ibn al-Mahdi (; or 766 – 24 March 809), famously known as Harun al-Rashid ( ar, هَارُون الرَشِيد, translit=Hārūn ...
and his concubine
Marajil Marājil ( ar, مراجل; d. 786) was an umm walad of Caliph Harun al-Rashid and mother of Caliph al-Ma'mun. Biography Marajil was a Persian slave concubine of Abbasid prince Harun (future Caliph Harun al-Rashid). According to one account, she ...
, from
Badghis Bādghīs ( Dari: ) is one of the thirty-four provinces of Afghanistan, located in the northwest of the country, on the border with Turkmenistan. It is considered to be one of the country's most underdeveloped provinces, with the highest povert ...
. On the same night, which later became known as the "night of the three
caliph A caliphate or khilāfah ( ar, خِلَافَة, ) is an institution or public office under the leadership of an Islamic steward with the title of caliph (; ar, خَلِيفَة , ), a person considered a political-religious successor to th ...
s", his uncle al-Hadi died and was succeeded by Ma'mun's father, Harun al-Rashid, as ruler of the
Abbasid Caliphate The Abbasid Caliphate ( or ; ar, الْخِلَافَةُ الْعَبَّاسِيَّة, ') was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abdul-Muttalib ...
. Marajil died soon after his birth, and Abdallah was raised by Harun al-Rashid's wife, Zubayda, herself of high Abbasid lineage as the granddaughter of Caliph
al-Mansur Abū Jaʿfar ʿAbd Allāh ibn Muḥammad al-Manṣūr (; ar, أبو جعفر عبد الله بن محمد المنصور‎; 95 AH – 158 AH/714 CE – 6 October 775 CE) usually known simply as by his laqab Al-Manṣūr (المنصور) w ...
(). As a young prince, Abdallah received a thorough education:
al-Kisa'i Al-Kisā’ī () Abū al-Ḥasan ‘Alī ibn Ḥamzah ibn ‘Abd Allāh ibn ‘Uthman (), called Bahman ibn Fīrūz (), surnamed Abū ‘Abd Allāh (), and Abū al-Ḥasan ‘Alī ibn Hamzah of al-Kūfah ( d. ca. 804 or 812) was preceptor to th ...
tutored him in classical Arabic,
Abu Muhammad al-Yazidi Abu or ABU may refer to: Places * Abu (volcano), a volcano on the island of Honshū in Japan * Abu, Yamaguchi, a town in Japan * Ahmadu Bello University, a university located in Zaria, Nigeria * Atlantic Baptist University, a Christian university ...
in '' adab'', and he received instruction in music and poetry. He was trained in ''
fiqh ''Fiqh'' (; ar, فقه ) is Islamic jurisprudence. Muhammad-> Companions-> Followers-> Fiqh. The commands and prohibitions chosen by God were revealed through the agency of the Prophet in both the Quran and the Sunnah (words, deeds, and ...
'' by al-Hasan al-Lu'lu'i, showing particular excellence in the
Hanafi The Hanafi school ( ar, حَنَفِية, translit=Ḥanafiyah; also called Hanafite in English), Hanafism, or the Hanafi fiqh, is the oldest and one of the four traditional major Sunni schools ( maddhab) of Islamic Law (Fiqh). It is named a ...
school, and in the ''
hadith Ḥadīth ( or ; ar, حديث, , , , , , , literally "talk" or "discourse") or Athar ( ar, أثر, , literally "remnant"/"effect") refers to what the majority of Muslims believe to be a record of the words, actions, and the silent approval ...
'', becoming himself active as a transmitter. According to M. Rekaya, "he was distinguished by his love of knowledge, making him the most intellectual caliph of the Abbasid family, which accounts for the way in which his caliphate developed".


Appointment as successor and Governor of Khurasan

Although Abdallah was the oldest of his sons, in 794 Harun named the second-born Muhammad, born in April 787 to Zubayda, as the first in line of succession. This was the result of family pressure on the Caliph, reflecting Muhammad's higher birth, as both parents descended from the Abbasid dynasty; indeed, he remained the only Abbasid caliph to claim such descent. Muhammad received the oath of allegiance (''
bay'ah ''Bayʿah'' ( ar, بَيْعَة, "Pledge of allegiance"), in Islamic terminology, is an oath of allegiance to a leader. It is known to have been practiced by the Islamic prophet Muhammad. ''Bayʿah'' is sometimes taken under a written pact ...
'') with the name of
al-Amin Abu Musa Muhammad ibn Harun al-Rashid ( ar, أبو موسى محمد بن هارون الرشيد, Abū Mūsā Muḥammad ibn Hārūn al-Rashīd; April 787 – 24/25 September 813), better known by his laqab of Al-Amin ( ar, الأمين, al-Amī ...
("The Trustworthy"), first in Khurasan by his guardian, the
Barmakid The Barmakids ( fa, برمکیان ''Barmakiyân''; ar, البرامكة ''al-Barāmikah''Harold Bailey, 1943. "Iranica" BSOAS 11: p. 2. India - Department of Archaeology, and V. S. Mirashi (ed.), ''Inscriptions of the Kalachuri-Chedi Era'' vol ...
al-Fadl ibn Yahya Al-Fadl ibn Yahya al-Barmaki () (February 766 – October/November 808Zetterstéen (1987), p. 37) was a member of the distinguished Barmakid family, attaining high offices in the Abbasid Caliphate under Harun al-Rashid (r. 786–809). Fadl was th ...
, and then in
Baghdad Baghdad (; ar, بَغْدَاد , ) is the capital of Iraq and the second-largest city in the Arab world after Cairo. It is located on the Tigris near the ruins of the ancient city of Babylon and the Sassanid Persian capital of Ctesiphon ...
. Abdallah was recognized as second heir only after entering puberty, in 799, under the name al-Ma'mun ("The Trusted One"), with another Barmakid,
Ja'far ibn Yahya Jafar ibn Yahya Barmaki, Jafar al-Barmaki ( fa, جعفر بن یحیی برمکی, ar, جعفر بن يحيى, Jafar bin yaḥyā) (767–803) also called Aba-Fadl, was a Persian vizier of the Abbasid caliph Harun al-Rashid, succeeding his father ...
, as his guardian. At the same time, a third heir,
al-Qasim The Qassim Province ( ar, منطقة القصيم ' , Najdi Arabic: ), also known as the Qassim Region, is one of the 13 provinces of Saudi Arabia. Located at the heart of the country near the geographic center of the Arabian Peninsula, it has ...
, named al-Mu'tamin, was appointed, under the guardianship of
Abd al-Malik ibn Salih ʿAbd al-Malik ibn Ṣāliḥ ibn ʿAlī () (, ''Abimelech'', in Greek sources; 750–812 CE) was a member of the Banu Abbas who served as general and governor in Syria and Egypt. He distinguished himself in several raids against the Byzantine Em ...
. These arrangements were confirmed and publicly proclaimed in 802, when Harun and the most powerful officials of the Abbasid government made the
pilgrimage A pilgrimage is a journey, often into an unknown or foreign place, where a person goes in search of new or expanded meaning about their self, others, nature, or a higher good, through the experience. It can lead to a personal transformation, aft ...
to
Mecca Mecca (; officially Makkah al-Mukarramah, commonly shortened to Makkah ()) is a city and administrative center of the Mecca Province of Saudi Arabia, and the Holiest sites in Islam, holiest city in Islam. It is inland from Jeddah on the Red ...
. Al-Amin would succeed Harun in Baghdad, but al-Ma'mun would remain al-Amin's heir and would additionally rule over an enlarged Khurasan. This was an appointment of particular significance, as Khurasan had been the starting-point of the
Abbasid Revolution The Abbasid Revolution, also called the Movement of the Men of the Black Raiment, was the overthrow of the Umayyad Caliphate (661–750 CE), the second of the four major Caliphates in early History of Islam, Islamic history, by the third, the A ...
which brought the Abbasids to power, and retained a privileged position among the Caliphate's provinces. Furthermore, the Abbasid dynasty relied heavily on Khurasanis as military leaders and administrators. Many of the original Khurasani Arab army (''Khurasaniyya'') that came west with the Abbasids were given estates in
Iraq Iraq,; ku, عێراق, translit=Êraq officially the Republic of Iraq, '; ku, کۆماری عێراق, translit=Komarî Êraq is a country in Western Asia. It is bordered by Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq ...
and the new Abbasid capital, Baghdad, and became an elite group known as the '' abnāʾ al-dawla'' ("sons of the state/dynasty"). This large-scale presence of an
Iranian Iranian may refer to: * Iran, a sovereign state * Iranian peoples, the speakers of the Iranian languages. The term Iranic peoples is also used for this term to distinguish the pan ethnic term from Iranian, used for the people of Iran * Iranian lan ...
element in the highest circles of the Abbasid state, with the Barmakid family as its most notable representatives, was certainly a factor in the appointment of al-Ma'mun, linked through his mother with the eastern Iranian provinces, as heir and governor of Khurasan. The stipulations of the agreement, which were recorded in detail by the historian
al-Tabari ( ar, أبو جعفر محمد بن جرير بن يزيد الطبري), more commonly known as al-Ṭabarī (), was a Muslim historian and scholar from Amol, Tabaristan. Among the most prominent figures of the Islamic Golden Age, al-Tabari ...
, accorded al-Mamun's Khurasani viceroyalty extensive autonomy. However, modern historians consider that these accounts may have been distorted by later apologists of al-Ma'mun in the latter's favour. Harun's third heir, al-Mu'tamin, received responsibility over the frontier areas with the
Byzantine Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
in
Upper Mesopotamia Upper Mesopotamia is the name used for the uplands and great outwash plain of northwestern Iraq, northeastern Syria and southeastern Turkey, in the northern Middle East. Since the early Muslim conquests of the mid-7th century, the region has been ...
and
Syria Syria ( ar, سُورِيَا or سُورِيَة, translit=Sūriyā), officially the Syrian Arab Republic ( ar, الجمهورية العربية السورية, al-Jumhūrīyah al-ʻArabīyah as-Sūrīyah), is a Western Asian country loc ...
. Very quickly, the latent rivalry between the two brothers had important repercussions: almost immediately after the court returned to Baghdad in January 803, the Abbasid elites were shaken by the abrupt fall of the Barmakid family from power. On the one hand, this event may reflect the fact that the Barmakids had become indeed too powerful for the Caliph's liking, but its timing suggests that it was tied to the succession issue as well: with al-Amin siding with the ''abnāʾ'' and al-Ma'mun with the Barmakids, and the two camps becoming more estranged every day, if al-Amin was to have a chance to succeed, the power of the Barmakids had to be broken.
Al-Fadl ibn Sahl Abu l-Abbas al-Fadl ibn Sahl ibn Zadhanfarukh al-Sarakhsi ( ar, أبو العباس الفضل بن سهل بن زادانفروخ السرخسي, Abu’l-ʿAbbās al-Faḍl ibn Sahl ibn Zādānfarrūkh as-Sarakhsī; died 818), titled Dhu 'l-Ri'ā ...
, a
Kufa Kufa ( ar, الْكُوفَة ), also spelled Kufah, is a city in Iraq, about south of Baghdad, and northeast of Najaf. It is located on the banks of the Euphrates River. The estimated population in 2003 was 110,000. Currently, Kufa and Najaf ...
n of Iranian origin whose father had converted to Islam and entered Barmakid service, replaced Ja'far ibn Yahya as al-Ma'mun's tutor. In 806 he also became al-Ma'mun's secretary (''
katib A katib ( ar, كَاتِب, ''kātib'') is a writer, scribe, or secretary in the Arabic-speaking world, Persian World, and other Islamic areas as far as India. In North Africa, the local pronunciation of the term also causes it to be written keti ...
''), an appointment that marked him out as the chief candidate for the
vizier A vizier (; ar, وزير, wazīr; fa, وزیر, vazīr), or wazir, is a high-ranking political advisor or minister in the near east. The Abbasid caliphs gave the title ''wazir'' to a minister formerly called '' katib'' (secretary), who was ...
ate should al-Ma'mun succeed to the throne. In 804, al-Ma'mun married his cousin, Umm Isa, a daughter of the Caliph al-Hadi (). The couple had two sons, Muhammad al-Asghar and Abdallah. The years after the fall of the Barmakids saw an increasing centralization of the administration and the concomitant rise of the influence of the ''abnāʾ'', many of whom were now dispatched to take up positions as provincial governors and bring these provinces under closer control from Baghdad. This led to unrest in the provinces, especially Khurasan, where local elites had a long-standing rivalry with the ''aabnāʾ'' and their tendency to control of the province (and its revenues) from Iraq. The harsh taxation imposed by a prominent member of the ''abnāʾ'',
Ali ibn Isa ibn Mahan Ali ibn Isa ibn Mahan ( ar, علي بن عيسى بن ماهان, ʿAlī ibn ʿĪsā ibn Māhān; ) was a prominent Iranian military leader of the Abbasid Caliphate in the late 8th and early 9th centuries. Origin and early career Ali's father, Is ...
, even led to a revolt under
Rafi ibn al-Layth Rāfiʿ ibn al Layth ibn Naṣr ibn Sayyār () was a Khurasani Arab noble who led a large-scale rebellion against the Abbasid Caliphate in 806–809. He was the grandson of the last Umayyad governor of Khurasan, Nasr ibn Sayyar. His father Layth ...
, which eventually forced Harun himself, accompanied by al-Ma'mun and the powerful chamberlain (''
hajib A ''hajib'' or ''hadjib'' ( ar, الحاجب, al-ḥājib, to block, the prevent someone from entering somewhere; It is a word "hajb" meaning to cover, to hide. It means "the person who prevents a person from entering a place, the doorman". The ...
'') and chief minister
al-Fadl ibn al-Rabi Al-Fadl ibn al-Rabi (, 757/8–823/4), was one of the most influential officials of the Abbasid Caliphate in the reigns of Harun al-Rashid () and al-Amin (), whom he served as chamberlain and chief minister. Fadl played an important role as the chi ...
, to travel to the province in 808. Al-Ma'mun was sent ahead with part of the army to
Merv Merv ( tk, Merw, ', مرو; fa, مرو, ''Marv''), also known as the Merve Oasis, formerly known as Alexandria ( grc-gre, Ἀλεξάνδρεια), Antiochia in Margiana ( grc-gre, Ἀντιόχεια ἡ ἐν τῇ Μαργιανῇ) and ...
, while Harun stayed at
Tus Tus or TUS may refer to: * Tus (biology), a protein that binds to terminator sequences * Thales Underwater Systems, an international defence contractor * Tuscarora language, an Iroquoian language, ISO 639-3 code Education * Technological Univ ...
, where he died on 24 March 809.


Abbasid civil war

In 802
Harun al-Rashid Abu Ja'far Harun ibn Muhammad al-Mahdi ( ar , أبو جعفر هارون ابن محمد المهدي) or Harun ibn al-Mahdi (; or 766 – 24 March 809), famously known as Harun al-Rashid ( ar, هَارُون الرَشِيد, translit=Hārūn ...
, father of al-Maʾmūn and al-Amin, ordered that al-Amin succeed him, and al-Ma'mun serve as governor of Khurasan and as caliph after the death of al-Amin. In the last days of Harun's life his health was declining and saw in a dream Musa ibn Jafar sitting in a chamber praying and crying, which made Harun remember how hard he had struggled to establish his own caliphate. He knew the personalities of both his sons and decided that for the good of the Abbasid dynasty, al-Maʾmūn should be caliph after his death, which he confided to a group of his courtiers. One of the courtiers, Fadl ibn Rabi', did not abide by Harun's last wishes and convinced many in the lands of Islam that Harun's wishes had not changed. Later the other three courtiers of Harun who had sworn loyalty to Harun by supporting al-Maʾmūn, namely, 'Isa Jarudi, Abu Yunus, and Ibn Abi 'Umran, found loopholes in Fadl's arguments, and Fazl admitted Harun had appointed al-Maʾmūn after him, but, he argued, since Harun was not in his right mind, his decision should not be acted upon. Al-Maʾmūn was reportedly the older of the two brothers, but his mother was a
Persian Persian may refer to: * People and things from Iran, historically called ''Persia'' in the English language ** Persians, the majority ethnic group in Iran, not to be conflated with the Iranic peoples ** Persian language, an Iranian language of the ...
woman while al-Amin's mother was a member of the reigning Abbasid family. After al-Rashid's death in 809, the relationship between the two brothers deteriorated. In response to al-Ma'mun's moves toward independence, al-Amin declared his own son Musa to be his heir. This violation of al-Rashid's testament led to a succession struggle. Al-Amin assembled a massive army at Baghdad with 'Isa ibn Mahan at its head in 811 and invaded Khorasan, but al-Maʾmūn's general
Tahir ibn al-Husayn Ṭāhir ibn Ḥusayn ( fa, طاهر ابن حسین, ''Tāher ebn-e Hoseyn''; ar, طاهر بن الحسين, ''Tahir bin al-Husayn''), also known as Dhul-Yamīnayn ( ar, ذو اليمينين, "the ambidextrous"), and al-Aʿwar ( ar, الأعو ...
(d. 822) destroyed the army and invaded Iraq, laying siege to Baghdad in 812. In 813 Baghdad fell, al-Amin was beheaded, and al-Maʾmūn became the undisputed Caliph.


Internal strife


Sahl ibn Salama al-Ansari

There were disturbances in
Iraq Iraq,; ku, عێراق, translit=Êraq officially the Republic of Iraq, '; ku, کۆماری عێراق, translit=Komarî Êraq is a country in Western Asia. It is bordered by Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq ...
during the first several years of al-Maʾmūn's reign, while the caliph was in
Merv Merv ( tk, Merw, ', مرو; fa, مرو, ''Marv''), also known as the Merve Oasis, formerly known as Alexandria ( grc-gre, Ἀλεξάνδρεια), Antiochia in Margiana ( grc-gre, Ἀντιόχεια ἡ ἐν τῇ Μαργιανῇ) and ...
(near present-day
Mary, Turkmenistan Mary (), formerly named Merv, Meru and Alexandria Margiana, is a city on an oasis in the Karakum Desert in Turkmenistan, located on the Murgab River. It is the capital city of Mary Region. In 2010, Mary had a population of 126,000, up from 92,000 ...
). On 13 November 815,
Muhammad ibn Ja'far al-Sadiq (Al-Dibaj) Muhammad ibn Ja'far al-Sadiq, surnamed al-Dibaj ("the handsome"), the younger full brother of Musa al-Kadhim, and son of Ja'far al-Sadiq appeared in Mecca in the year 200 A.H. / 815 C.E., in the aftermath of the revolt of Abu'l-Saraya, claiming tha ...
claimed the Caliphate for himself in
Mecca Mecca (; officially Makkah al-Mukarramah, commonly shortened to Makkah ()) is a city and administrative center of the Mecca Province of Saudi Arabia, and the Holiest sites in Islam, holiest city in Islam. It is inland from Jeddah on the Red ...
. He was defeated and he quickly abdicated asserting that he had only become caliph on news that al-Ma'mun had died. Lawlessness in
Baghdad Baghdad (; ar, بَغْدَاد , ) is the capital of Iraq and the second-largest city in the Arab world after Cairo. It is located on the Tigris near the ruins of the ancient city of Babylon and the Sassanid Persian capital of Ctesiphon ...
led to the formation of neighborhood watches with religious inspiration, with two notable leaders being Khalid al-Daryush and Sahl ibn Salama al-Ansari. Sahl adopted the slogan, ''la ta'a lil- makhluq fi ma'siyat al-khaliq'', or 'no obedience to the creature in disobedience of the Creator' (originally a Kharijite slogan), alluding to what he saw as "the conflict ... between God's will and Caliphal authority". "Most" of the leadership of this vigilante movement came from the ''sulaahd'' ("men of good will of the neighborhoods and blocks") and from "popular preachers" (as both Khalid al-Daryush and Sahl ibn Salama al-Ansari were); its followers were called the '' 'amma'', (the common people). The volunteers of the movement were known as ''mutawwi'a'', which was the same name given to "volunteers for frontier duty and for the holy war against Byzantium". Sahl's and movement influence was such that military chiefs first "delayed capitulation to al-Ma'mun" and adopted Sahl's religious "formula" until they became alarmed at his power and combined to crush him in 817-81 CE.


Imam al-Rida

In A.H. 201 (817 AD) al-Ma'mun named Ali ar-Rida, (the eighth descendant of
Ali ʿAlī ibn Abī Ṭālib ( ar, عَلِيّ بْن أَبِي طَالِب; 600 – 661 CE) was the last of four Rightly Guided Caliphs to rule Islam (r. 656 – 661) immediately after the death of Muhammad, and he was the first Shia Imam ...
, also known as Imam Reza), as his heir as caliph. This move may have been made to appease Shi'ite opinion in Iraq and "reconcile the 'Alid and 'Abbasid branches of the Hashimite family", but in Baghdad it caused the Hashimites—supported by "military chiefs of al-Harbiyya, including Muttalib and 'Isa ibn Muhammad"—to depose al-Ma'mun and elect Ibrahim ibn al-Mahdi Caliph. According to Shia sources, the deposing of Al-Ma'um in Baghdad was not out of opposition to the wise and pious Imam Reza, but because of rumors spread by Fazl ibn Sahl. Al-Ma'mun moved Imam Reza to Merv in hopes of keeping watch over him, but was foiled by the Imam's growing popularity there. People from all over the Muslim world traveled to meet the prophet's grandson and listen to his teachings and guidance (according to these sources). In an attempt to humiliate the Imam, Al-Ma'mun set him up with the greatest scholars of the world's religions, but the Imam prevailed and then informed al-Ma'mun that his grand vizier,
Fazl ibn Sahl Abu l-Abbas al-Fadl ibn Sahl ibn Zadhanfarukh al-Sarakhsi ( ar, أبو العباس الفضل بن سهل بن زادانفروخ السرخسي, Abu’l-ʿAbbās al-Faḍl ibn Sahl ibn Zādānfarrūkh as-Sarakhsī; died 818), titled Dhu 'l-Ri'ā ...
, had withheld important information from him. In Baghdad, al-Maʾmūn was unseated and replaced by Ibrahim ibn Mehdi not because al-Maʾmūn's naming Imam Reza as his heir was unpopular, but because of "rumors" spread by Fazl ibn Sahl. Seeking to put down the rebellion in Baghdad, Al-Ma'mun set out for the city on 12 April 818. At Tus, he stopped to visit his father's grave. However, when they reached the town of
Sarakhs Sarakhs ( fa, سرخس, Saraxs, also Romanized as Serakhs) is a city in Sarakhs County, Razavi Khorasan Province, Iran. Sarakhs was once a stopping point along the Silk Road, and in its 11th century heyday had many libraries. Much of the origina ...
, his vizier, Fazl ibn Sahl, was assassinated, and when they reached
Tus Tus or TUS may refer to: * Tus (biology), a protein that binds to terminator sequences * Thales Underwater Systems, an international defence contractor * Tuscarora language, an Iroquoian language, ISO 639-3 code Education * Technological Univ ...
, the Imam was poisoned. Al-Ma'mūn ordered that the Imam be buried next to the tomb of his own father,
Harun al-Rashid Abu Ja'far Harun ibn Muhammad al-Mahdi ( ar , أبو جعفر هارون ابن محمد المهدي) or Harun ibn al-Mahdi (; or 766 – 24 March 809), famously known as Harun al-Rashid ( ar, هَارُون الرَشِيد, translit=Hārūn ...
, and showed extreme sorrow in the funeral ritual and stayed for three days at the place. Nonetheless, Shia tradition states he was killed on orders of Al-Ma'mun, and according to Madelung the unexpected death of both the vizier and the successor, "whose presence would have made any reconciliation with the powerful ʿAbbasid opposition in Baghdad virtually impossible, must indeed arouse strong suspicion that Ma'mun had had a hand in the deaths." Following the death of Imam Reza, a revolt took place in Khurasan. Al-Ma’mun tried unsuccessfully to absolve himself of the crime.


After arrival in Baghdad

The rebel forces in Baghdad splintered and wavered in opposition to Al-Ma'mun. According to scholar and historian
Al-Tabari ( ar, أبو جعفر محمد بن جرير بن يزيد الطبري), more commonly known as al-Ṭabarī (), was a Muslim historian and scholar from Amol, Tabaristan. Among the most prominent figures of the Islamic Golden Age, al-Tabari ...
(839–923 CE), al-Ma'mun entered Baghdad on 11 August 819. He wore green and had others do so. Informed that compliance with this command might arouse popular opposition to the colour, on 18 August he reverted to traditional Abbasid black. While
Baghdad Baghdad (; ar, بَغْدَاد , ) is the capital of Iraq and the second-largest city in the Arab world after Cairo. It is located on the Tigris near the ruins of the ancient city of Babylon and the Sassanid Persian capital of Ctesiphon ...
became peaceful, there were disturbances elsewhere. In A.H. 210 (825–826 CE) Abdullah ibn Tahir al-Khurasani secured
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Mediter ...
for al-Ma'mun, freeing
Alexandria Alexandria ( or ; ar, ٱلْإِسْكَنْدَرِيَّةُ ; grc-gre, Αλεξάνδρεια, Alexándria) is the second largest city in Egypt, and the largest city on the Mediterranean coast. Founded in by Alexander the Great, Alexandria ...
from Andalusians and quelling unrest. The Andalusians moved to
Crete Crete ( el, Κρήτη, translit=, Modern: , Ancient: ) is the largest and most populous of the Greek islands, the 88th largest island in the world and the fifth largest island in the Mediterranean Sea, after Sicily, Sardinia, Cyprus, and ...
, where al-Tabari records their descendants were still living in his day (see
Emirate of Crete The Emirate of Crete ( ar, إقريطش, Iqrīṭish or , ''Iqrīṭiya''; gr, Κρήτη, Krētē) was an Islamic state that existed on the Mediterranean island of Crete from the late 820s to the reconquest of the island by the Byzantine Empi ...
). Abdallah returned to Baghdad in 211 Hijri (826–827 C.E.) bringing the defeated rebels with him. Also, in 210 Hijri (825–826 CE), there was an uprising in
Qum Qom (also spelled as "Ghom", "Ghum", or "Qum") ( fa, قم ) is the seventh largest metropolis and also the seventh largest city in Iran. Qom is the capital of Qom Province. It is located to the south of Tehran. At the 2016 census, its popul ...
sparked by complaints about taxes. After it was quashed, the tax assessment was set significantly higher. In 212 Hijri (827–828 CE), there was an uprising in
Yemen Yemen (; ar, ٱلْيَمَن, al-Yaman), officially the Republic of Yemen,, ) is a country in Western Asia. It is situated on the southern end of the Arabian Peninsula, and borders Saudi Arabia to the Saudi Arabia–Yemen border, north and ...
. In 214 (829–30 CE),
Abu al-Razi Abu or ABU may refer to: Places * Abu (volcano), a volcano on the island of Honshū in Japan * Abu, Yamaguchi, a town in Japan * Ahmadu Bello University, a university located in Zaria, Nigeria * Atlantic Baptist University, a Christian university ...
, who had captured one Yemeni rebel, was killed by another.
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Mediter ...
continued to be unquiet.
Sindh Sindh (; ; ur, , ; historically romanized as Sind) is one of the four provinces of Pakistan. Located in the southeastern region of the country, Sindh is the third-largest province of Pakistan by land area and the second-largest province ...
was rebellious. In 216 (831–832 CE), Ghassan ibn 'Abbad subdued it. An ongoing problem for al-Ma'mun was the uprising headed by
Babak Khorramdin , native_name_lang = , birth_date = 795 or 798 , birth_place = Ardabil, Abbasid Caliphate , spouse = Banu , death_date = probably 7 January 838 (age 40 or 43) , death_place = Samarra, Abbasid Caliphate , years_active ...
. In 214 Babak routed a Caliphate army killing its commander Muhammad ibn Humayd.


Wars with Byzantium

By the time al-Ma'mun became Caliph, the Arabs and the Byzantine Empire had settled down into border skirmishing, with Arab raids deep into
Anatolia Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The re ...
to capture booty and Christians to be enslaved. The situation changed however with the rise to power of Michael II in 820 AD. Forced to deal with the rebel
Thomas the Slav Thomas the Slav ( gr, Θωμᾶς ὁ Σλάβος, Thōmas ho Slavos,  – October 823) was a 9th-century Byzantine military commander, most notable for leading a wide-scale revolt in 821–23 against Emperor Michael II the Amorian (). A ...
, Michael had few troops to spare against a small Andalusian invasion of 40 ships and 10,000 men against
Crete Crete ( el, Κρήτη, translit=, Modern: , Ancient: ) is the largest and most populous of the Greek islands, the 88th largest island in the world and the fifth largest island in the Mediterranean Sea, after Sicily, Sardinia, Cyprus, and ...
, which fell in 824 AD. A Byzantine counter offensive in 826 AD failed miserably. Worse still was the invasion of
Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...
in 827 by
Arabs The Arabs (singular: Arab; singular ar, عَرَبِيٌّ, DIN 31635: , , plural ar, عَرَب, DIN 31635, DIN 31635: , Arabic pronunciation: ), also known as the Arab people, are an ethnic group mainly inhabiting the Arab world in Wester ...
of
Tunis ''Tounsi'' french: Tunisois , population_note = , population_urban = , population_metro = 2658816 , population_density_km2 = , timezone1 = CET , utc_offset1 ...
. Even so,
Byzantine The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
resistance in
Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...
was fierce and not without success whilst the Arabs became quickly plagued by internal squabbles. That year, the Arabs were expelled from
Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...
but they were to return. In 829, Michael II died and was succeeded by his son Theophilos. Theophilos experienced mixed success against his
Arab The Arabs (singular: Arab; singular ar, عَرَبِيٌّ, DIN 31635: , , plural ar, عَرَب, DIN 31635: , Arabic pronunciation: ), also known as the Arab people, are an ethnic group mainly inhabiting the Arab world in Western Asia, ...
opponents. In 830 AD the
Arabs The Arabs (singular: Arab; singular ar, عَرَبِيٌّ, DIN 31635: , , plural ar, عَرَب, DIN 31635, DIN 31635: , Arabic pronunciation: ), also known as the Arab people, are an ethnic group mainly inhabiting the Arab world in Wester ...
returned to
Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...
and, after a year-long siege, took
Palermo Palermo ( , ; scn, Palermu , locally also or ) is a city in southern Italy, the capital (political), capital of both the autonomous area, autonomous region of Sicily and the Metropolitan City of Palermo, the city's surrounding metropolitan ...
. For the next 200 years they were to remain there to complete their conquest, which was never short of Christian counters. Al-Ma'mun meanwhile launched an invasion of
Anatolia Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The re ...
in 830 AD, taking a number of
Byzantine The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
forts A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere'' ...
; he spared the surrendering Byzantines. Theophilos, for his part, captured Tarsus in 831. The next year, learning the Byzantines had killed some sixteen hundred people, al-Ma'mun returned. This time some thirty forts fell to the Caliphate's forces, with two Byzantine defeats in
Cappadocia Cappadocia or Capadocia (; tr, Kapadokya), is a historical region in Central Anatolia, Turkey. It largely is in the provinces Nevşehir, Kayseri, Aksaray, Kırşehir, Sivas and Niğde. According to Herodotus, in the time of the Ionian Revo ...
. Theophilos wrote to al-Ma'mun. The Caliph replied that he carefully considered the Byzantine ruler's letter, noticed it blended suggestions of peace and trade with threats of war and offered Theophilos the options of accepting the
shahada The ''Shahada'' (Arabic: ٱلشَّهَادَةُ , "the testimony"), also transliterated as ''Shahadah'', is an Islamic oath and creed, and one of the Five Pillars of Islam and part of the Adhan. It reads: "I bear witness that there is n ...
, paying tax or
fighting Combat ( French for ''fight'') is a purposeful violent conflict meant to physically harm or kill the opposition. Combat may be armed (using weapons) or unarmed ( not using weapons). Combat is sometimes resorted to as a method of self-defense, or ...
. Al-Ma'mun made preparations for a major campaign, but died on the way while leading an expedition in
Tyana Tyana ( grc, Τύανα), earlier known as Tuwana ( Hieroglyphic Luwian: ; Akkadian: ) and Tuwanuwa ( Hittite: ) was an ancient city in the Anatolian region of Cappadocia, in modern Kemerhisar, Niğde Province, Central Anatolia, Turkey. It w ...
. Al-Ma'mun's relations with the Byzantines are marked by his efforts in the translation of
Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...
philosophy Philosophy (from , ) is the systematized study of general and fundamental questions, such as those about existence, reason, knowledge, values, mind, and language. Such questions are often posed as problems to be studied or resolved. Some ...
and
science Science is a systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the universe. Science may be as old as the human species, and some of the earliest archeological evidence for ...
. Al-Ma'mun gathered scholars of many religions at
Baghdad Baghdad (; ar, بَغْدَاد , ) is the capital of Iraq and the second-largest city in the Arab world after Cairo. It is located on the Tigris near the ruins of the ancient city of Babylon and the Sassanid Persian capital of Ctesiphon ...
, whom he treated magnificently. He sent an emissary to the
Byzantine Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...
to collect the most famous manuscripts there, and had them translated into
Arabic Arabic (, ' ; , ' or ) is a Semitic languages, Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C ...
. As part of his peace treaty with the Byzantine Emperor, Al-Ma'mun was to receive a number of Greek manuscripts annually, one of these being Ptolemy's astronomical work, the '' Almagest''.


Al-Ma'mun's reign

Al-Ma'mun conducted, in the plains of
Mesopotamia Mesopotamia ''Mesopotamíā''; ar, بِلَاد ٱلرَّافِدَيْن or ; syc, ܐܪܡ ܢܗܪ̈ܝܢ, or , ) is a historical region of Western Asia situated within the Tigris–Euphrates river system, in the northern part of the F ...
, two astronomical operations intended to achieve a
degree measurement Arc measurement, sometimes degree measurement (german: Gradmessung), is the astrogeodetic technique of determining of the radius of Earth – more specifically, the local Earth radius of curvature of the figure of the Earth – by relating the la ...
(
al-Ma'mun's arc measurement The Arab, Arabic, or Arabian mile ( ar, الميل, ''al-mīl'') was a historical Arabic unit of length. Its precise length is disputed, lying between 1.8 and 2.0 km. It was used by medieval Arab geographers and astronomers. The predecessor o ...
). The crater Almanon on the moon is named in recognition of his contributions to astronomy. Al-Ma'mun's record as an administrator is also marked by his efforts toward the centralization of power and the certainty of succession. The ''Bayt al-Hikma'', or House of Wisdom, was established during his reign. The ''
ulama In Islam, the ''ulama'' (; ar, علماء ', singular ', "scholar", literally "the learned ones", also spelled ''ulema''; feminine: ''alimah'' ingularand ''aalimath'' lural are the guardians, transmitters, and interpreters of religious ...
'' emerged as a real force in Islamic politics during al-Ma'mun's reign for opposing the '' mihna'', which was initiated in 833, four months before he died.
Michael Hamilton Morgan Michael Hamilton Morgan is a political scientist Political science is the scientific study of politics. It is a social science dealing with systems of governance and power, and the analysis of political activities, political thought, ...
in his book "Lost History" describes al-Ma'mun as a man who 'Loves Learning.' al-Ma'mun once defeated a Byzantine Emperor in a battle and as a tribute, he asked for a copy of ''Almagest,''
Ptolemy Claudius Ptolemy (; grc-gre, Πτολεμαῖος, ; la, Claudius Ptolemaeus; AD) was a mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises, three of which were of importanc ...
's Hellenistic compendium of thoughts on astronomy written around A.D. 150 The 'mihna', is comparable to Medieval European inquisitions in the sense that it involved imprisonment, a religious test, and a loyalty oath. The people subject to the mihna were traditionalist scholars whose social influence was uncommonly high. Al-Ma'mun introduced the mihna with the intention to centralize religious power in the caliphal institution and test the loyalty of his subjects. The mihna had to be undergone by elites, scholars, judges and other government officials, and consisted of a series of questions relating to theology and faith. The central question was about the createdness of the Qur'an, if the interrogatee stated he believed the Qur'an to be created, rather than coeternal with God, he was free to leave and continue his profession. The controversy over the ''mihna'' was exacerbated by al-Ma'mun's sympathy for Mu'tazili theology and other controversial views. Mu'tazili theology was deeply influenced by Aristotelian thought and Greek rationalism, and stated that matters of belief and practice should be decided by reasoning. This opposed the traditionalist and literalist position of
Ahmad ibn Hanbal Ahmad ibn Hanbal al-Dhuhli ( ar, أَحْمَد بْن حَنْبَل الذهلي, translit=Aḥmad ibn Ḥanbal al-Dhuhlī; November 780 – 2 August 855 CE/164–241 AH), was a Muslim jurist, theologian, ascetic, hadith traditionist, and ...
and others, according to which everything a believer needed to know about faith and practice was spelled out literally in the
Qur'an The Quran (, ; Standard Arabic: , Quranic Arabic: , , 'the recitation'), also romanized Qur'an or Koran, is the central religious text of Islam, believed by Muslims to be a revelation from God. It is organized in 114 chapters (pl.: , sing. ...
and the
Hadith Ḥadīth ( or ; ar, حديث, , , , , , , literally "talk" or "discourse") or Athar ( ar, أثر, , literally "remnant"/"effect") refers to what the majority of Muslims believe to be a record of the words, actions, and the silent approval ...
. Moreover, the Mu'tazilis stated that the Qur'an was created rather than coeternal with God, a belief that was shared by the
Jahmites Jahmī ( ar, جهمي) was a pejorative term used by early Islamic scholars to refer to the followers of Jahm ibn Safwan (d. 128/746). The four schools of jurisprudence (''fiqh'') reject the Jahmi belief and the fourth Imam, Ahmad ibn Hanbal was ...
and parts of
Shi'a Shīʿa Islam or Shīʿīsm is the second-largest Islamic schools and branches, branch of Islam. It holds that the Prophets and messengers in Islam, Islamic prophet Muhammad in Islam, Muhammad designated Ali, ʿAlī ibn Abī Ṭālib as his S ...
, among others, but contradicted the traditionalist-
Sunni Sunni Islam () is the largest branch of Islam, followed by 85–90% of the world's Muslims. Its name comes from the word '' Sunnah'', referring to the tradition of Muhammad. The differences between Sunni and Shia Muslims arose from a disagr ...
opinion that the Qur'an and the Divine were coeternal. During his reign,
alchemy Alchemy (from Arabic: ''al-kīmiyā''; from Ancient Greek: χυμεία, ''khumeía'') is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practiced in China, India, the Muslim world, ...
greatly developed. Pioneers of the science were
Jabir Ibn Hayyan Abū Mūsā Jābir ibn Ḥayyān (Arabic: , variously called al-Ṣūfī, al-Azdī, al-Kūfī, or al-Ṭūsī), died 806−816, is the purported author of an enormous number and variety of works in Arabic, often called the Jabirian corpus. The ...
and his student Yusuf Lukwa, who was patronized by Al-Ma'mun. Although he was unsuccessful in transmuting
gold Gold is a chemical element with the symbol Au (from la, aurum) and atomic number 79. This makes it one of the higher atomic number elements that occur naturally. It is a bright, slightly orange-yellow, dense, soft, malleable, and ductile met ...
, his methods greatly led to the patronization of
pharmaceutical A medication (also called medicament, medicine, pharmaceutical drug, medicinal drug or simply drug) is a drug used to diagnose, cure, treat, or prevent disease. Drug therapy (pharmacotherapy) is an important part of the medical field and re ...
compounds. Caliph Al-Ma'mun was a pioneer of cartography having commissioned a world map from a large group of astronomers and geographers. The map is presently in an encyclopedia in Topkapi Sarai, a Museum in Istanbul. The map shows large parts of the Eurasian and African continents with recognizable coastlines and major seas. It depicts the world as it was known to the captains of the Arab sailing dhows which used the monsoon wind cycles to trade over vast distances (by the 9th century, Arab sea traders had reached
Guangzhou Guangzhou (, ; ; or ; ), also known as Canton () and alternatively romanized as Kwongchow or Kwangchow, is the capital and largest city of Guangdong province in southern China. Located on the Pearl River about north-northwest of Hong Kon ...
, in China). The maps of the Greeks and Romans reveal a good knowledge of closed seas like the Mediterranean but little knowledge of the vast ocean expanses beyond. Although
al-Mahdi Abū ʿAbd Allāh Muḥammad ibn ʿAbd Allāh al-Manṣūr ( ar, أبو عبد الله محمد بن عبد الله المنصور; 744 or 745 – 785), better known by his regnal name Al-Mahdī (, "He who is guided by God"), was the third Abb ...
had proclaimed that the caliph was the protector of Islam against
heresy Heresy is any belief or theory that is strongly at variance with established beliefs or customs, in particular the accepted beliefs of a church or religious organization. The term is usually used in reference to violations of important religi ...
, and had also claimed the ability to declare orthodoxy, religious scholars in the Islamic world believed that al-Ma'mun was overstepping his bounds in the ''mihna''. The penalties of the ''mihna'' became increasingly difficult to enforce as the ''ulema'' became firmer and more united in their opposition. Although the ''mihna'' persisted through the reigns of two more caliphs, al-Mutawakkil abandoned it in 851. The ''ulema'' and the major Islamic law schools became truly defined in the period of al-Ma'mun, and Sunnism—as a religion of legalism—became defined in parallel. Doctrinal differences between Sunni and Shi'a Islam began to become more pronounced.
Ibn Hanbal Ahmad ibn Hanbal al-Dhuhli ( ar, أَحْمَد بْن حَنْبَل الذهلي, translit=Aḥmad ibn Ḥanbal al-Dhuhlī; November 780 – 2 August 855 CE/164–241 AH), was a Muslim jurist, theologian, ascetic, hadith traditionist, and f ...
, the founder of the
Hanbali The Hanbali school ( ar, ٱلْمَذْهَب ٱلْحَنۢبَلِي, al-maḏhab al-ḥanbalī) is one of the four major traditional Sunni schools (''madhahib'') of Islamic jurisprudence. It is named after the Arab scholar Ahmad ibn Hanbal ...
legal school, became famous for his opposition to the ''mihna''. Al-Ma'mun's simultaneous opposition and patronage of intellectuals led to the emergence of important dialogues on both secular and religious affairs, and the ''Bayt al-Hikma'' became an important center of translation for Greek and other ancient texts into Arabic. This Islamic renaissance spurred the rediscovery of Hellenism and ensured the survival of these texts into the European
renaissance The Renaissance ( , ) , from , with the same meanings. is a period in European history marking the transition from the Middle Ages to modernity and covering the 15th and 16th centuries, characterized by an effort to revive and surpass ideas ...
. Al-Ma'mun had been named governor of Khurasan by Harun, and after his ascension to power, the caliph named Tahir as governor for his military services in order to assure his loyalty. It was a move that al-Ma'mun soon regretted, as Tahir and his family became entrenched in Iranian politics and became increasingly powerful in the state, contrary to al-Ma'mun's desire to centralize and strengthen Caliphal power. The rising power of the Tahirid family became a threat as al-Ma'mun's own policies alienated them and his other opponents. Al-Ma'mun also attempted to divorce his wife during his reign, who had not borne him any children. His wife hired a Syrian judge of her own before al-Ma'mun was able to select one himself; the judge, who sympathized with the caliph's wife, refused the divorce. Following al-Ma'mun's experience, no further
Abbasid caliphs The Abbasid caliphs were the holders of the Islamic title of caliph who were members of the Abbasid dynasty, a branch of the Quraysh tribe descended from the uncle of the Islamic prophet Muhammad, Al-Abbas ibn Abd al-Muttalib. The family came to ...
were to marry, preferring to find their heirs in the harem. Al-Ma'mun, in an attempt to win over the
Shi'a Shīʿa Islam or Shīʿīsm is the second-largest Islamic schools and branches, branch of Islam. It holds that the Prophets and messengers in Islam, Islamic prophet Muhammad in Islam, Muhammad designated Ali, ʿAlī ibn Abī Ṭālib as his S ...
Muslims to his camp, named the eighth
Imam Imam (; ar, إمام '; plural: ') is an Islamic leadership position. For Sunni Muslims, Imam is most commonly used as the title of a worship leader of a mosque. In this context, imams may lead Islamic worship services, lead prayers, ser ...
, Ali ar-Rida, his successor, if he should outlive al-Ma'mun. Most Shi'ites realized, however, that ar-Rida was too old to survive him and saw al-Ma'mun's gesture as empty; indeed, Al-Ma'mun poisoned Ali ar-Rida who then died in 818. The incident served to further alienate the Shi'ites from the Abbasids, who had already been promised and denied the Caliphate by Abu al-'Abbas. The Abbasid empire grew somewhat during the reign of al-Ma'mun.
Hindu Hindus (; ) are people who religiously adhere to Hinduism.Jeffery D. Long (2007), A Vision for Hinduism, IB Tauris, , pages 35–37 Historically, the term has also been used as a geographical, cultural, and later religious identifier for ...
rebellions in
Sindh Sindh (; ; ur, , ; historically romanized as Sind) is one of the four provinces of Pakistan. Located in the southeastern region of the country, Sindh is the third-largest province of Pakistan by land area and the second-largest province ...
were put down, and most of
Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...
was absorbed with the surrender of the leader of
Kabul Kabul (; ps, , ; , ) is the capital and largest city of Afghanistan. Located in the eastern half of the country, it is also a municipality, forming part of the Kabul Province; it is administratively divided into 22 municipal districts. Acco ...
. Mountainous regions of Iran were brought under a tighter grip of the central Abbasid government, as were areas of
Turkestan Turkestan, also spelled Turkistan ( fa, ترکستان, Torkestân, lit=Land of the Turks), is a historical region in Central Asia corresponding to the regions of Transoxiana and Xinjiang. Overview Known as Turan to the Persians, western Turke ...
. In 832, al-Ma'mun led a large army into
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Mediter ...
to put down the last great Bashmurite revolt. While there he ordered the breaching of the
Great Pyramid of Giza The Great Pyramid of Giza is the biggest Egyptian pyramid and the tomb of Fourth Dynasty pharaoh Khufu. Built in the early 26th century BC during a period of around 27 years, the pyramid is the oldest of the Seven Wonders of the Ancient World, ...
looking for knowledge and treasure. He entered the pyramid by tunneling into the Great Pyramid near where tradition located the original entrance. The resulting passage, which was later named the "Robbers' Tunnel" is the path along which tourists enter the pyramid today.


Personal characteristics

Al-Tabari (v. 32, p. 231) describes al-Ma'mun as of average height, light complexion, handsome and having a long beard losing its dark colour as he aged. He relates anecdotes concerning the caliph's ability to speak concisely and eloquently without preparation, his generosity, his respect for Muhammad and religion, his sense of moderation, justice and his love of poetry and his insatiable passion for physical intimacy.
Ibn Abd Rabbih Ibn ʿAbd Rabbih () or Ibn ʿAbd Rabbihi (Ahmad ibn Muhammad ibn `Abd Rabbih) (860–940) was an arab writer and poet widely known as the author of '' Al-ʿIqd al-Farīd'' (''The Unique Necklace''). Biography He was born in Cordova, now in Spain ...
in his ''Unique Necklace'' (al-'iqd al-Farid), probably drawing on earlier sources, makes a similar description of al-Ma'mun, whom he described as of light complexion and having slightly blond hair, a long thin beard, and a narrow forehead.


Family

Al-Ma'mun's first wife was Umm Isa, a daughter of his uncle al-Hadi (), whom he married when he was eighteen years old. They had two sons, Muhammad al-Asghar, and Abdallah. Another wife was Buran, the daughter of al-Ma'mun's vizier, al-Hasan ibn Sahl. She was born as Khadija on 6 December 807. Al-Ma'mun married her in 817, and consummated marriage with her in December 825-January 826 in the town of Fam al-Silh. She died on 21 September 884. Al-Ma'mun had also numerous concubines. One of them, Sundus, bore him five sons, among whom was al-Abbas, who rose to become a senior military commander at the end of al-Ma'mun's reign and a contender for the throne. Another wife or concubine was Arib. Born in 797, she claimed to be the daughter of
Ja'far ibn Yahya Jafar ibn Yahya Barmaki, Jafar al-Barmaki ( fa, جعفر بن یحیی برمکی, ar, جعفر بن يحيى, Jafar bin yaḥyā) (767–803) also called Aba-Fadl, was a Persian vizier of the Abbasid caliph Harun al-Rashid, succeeding his father ...
, the Barmakid, stolen and sold as a child when the Barmakids fell from power. She was brought by al-Amin, who then sold her to his brother. She was a noted poetess, songstress, and a mucisian. She died at Samarra in July–August 890, aged ninety-six. Another concubine was Bi'dah al-Kabirah. She was also a songstress, and had been a slave of Arib. She died on 10 July 915. Abu Bakr, the son of Caliph
al-Muhtadi Abū Isḥāq Muḥammad ibn al-Wāthiq ( ar, أبو إسحاق محمد بن هارون الواثق‎; – 21 June 870), better known by his regnal name Al-Muhtadī bi-'llāh (Arabic: , "Guided by God"), was the Caliph of the Abbasid Calipha ...
, led the funeral prayers. Another concubine was Mu'nisah, a Greek. Al-Ma'mun had two daughters. One was Umm Habib, who married Ali ibn Musa al-Rida, and the other was Umm al-Fadl, who married Muhammad ibn Ali bin Musa.


Death and Legacy

Al-Tabari recounts how al-Ma'mun was sitting on the river bank telling those with him how splendid the water was. He asked what would go best with this water and was told a specific kind of fresh dates. Noticing supplies arriving, he asked someone to check whether such dates were included. As they were, he invited those with him to enjoy the water with these dates. All who did this fell ill. Others recovered, but al-Ma'mun died. He encouraged his successor to continue his policies and not burden the people with more than they could bear. This was on 9 August 833. Al-Ma'mun died near Tarsus. The city's major mosque (
Tarsus Grand Mosque Tarsus Grand Mosque ( tr, Tarsus Ulu Cami) is a mosque in Tarsus, Mersin Province, Turkey. Geography The mosque is at the center of Tarsus in ''Camii Nur'' neighbourhood. It is the biggest mosque of Tarsus. It is close to St Paul's Church, ...
), contains a tomb reported to be his. He was not succeeded by his son,
al-Abbas ibn al-Ma'mun Al-Abbas ibn al-Ma'mun () (died 838 CE) was an Abbasid prince and general, the son of the Abbasid caliph al-Ma'mun (). A distinguished military leader in the Arab–Byzantine wars, he was passed over in the succession in favour of his uncle al- ...
, but by his half-brother,
al-Mu'tasim Abū Isḥāq Muḥammad ibn Hārūn al-Rashīd ( ar, أبو إسحاق محمد بن هارون الرشيد; October 796 – 5 January 842), better known by his regnal name al-Muʿtaṣim biʾllāh (, ), was the eighth Abbasid caliph, ruling ...
. Almanon, a
lunar Lunar most commonly means "of or relating to the Moon". Lunar may also refer to: Arts and entertainment * ''Lunar'' (series), a series of video games * "Lunar" (song), by David Guetta * "Lunar", a song by Priestess from the 2009 album ''Prior t ...
impact crater An impact crater is a circular depression in the surface of a solid astronomical object formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact craters ...
that lies in the rugged highlands in the south-central region of the
Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...
, was named after Al-Ma'mun.


Religious beliefs

Al-Maʾmūn's religious beliefs are a subject of controversy, to the point where other Abbasids, as well as later Islamic scholars, called him a
Shia Shīʿa Islam or Shīʿīsm is the second-largest branch of Islam. It holds that the Islamic prophet Muhammad designated ʿAlī ibn Abī Ṭālib as his successor (''khalīfa'') and the Imam (spiritual and political leader) after him, mo ...
Muslim. For instance, Sunni scholars
al-Dhahabi Shams ad-Dīn adh-Dhahabī (), also known as Shams ad-Dīn Abū ʿAbdillāh Muḥammad ibn Aḥmad ibn ʿUthmān ibn Qāymāẓ ibn ʿAbdillāh at-Turkumānī al-Fāriqī ad-Dimashqī (5 October 1274 – 3 February 1348) was an Islamic historia ...
, Ibn Kathir,
Ibn Khaldun Ibn Khaldun (; ar, أبو زيد عبد الرحمن بن محمد بن خلدون الحضرمي, ; 27 May 1332 – 17 March 1406, 732-808 AH) was an Arab The Historical Muhammad', Irving M. Zeitlin, (Polity Press, 2007), p. 21; "It is, of ...
and al-Suyuti explicitly held the belief that al-Ma'mun was a Shi'a. The arguments for his alleged Shi’ism include that, in 816/817, when
Ali al-Ridha Ali ibn Musa al-Rida ( ar, عَلِيّ ٱبْن مُوسَىٰ ٱلرِّضَا, Alī ibn Mūsā al-Riḍā, 1 January 766 – 6 June 818), also known as Abū al-Ḥasan al-Thānī, was a descendant of the Islamic prophet Muhammad, and the ...
, the Prophet's descendant, refused designation as sole Caliph, Al-Ma'mun officially designated him as his appointed successor. The official Abbasid coins were minted showing Al-Ma'mun as a Caliph and al-Ridha as his successor. Other arguments were that: the Caliphate's official black colour was changed to the Prophetic green; in 210 AH/825 CE, he wrote to Qutham b. Ja'far, the ruler of Medina, to return Fadak to the descendants of Muhammad through his daughter, Fatima; he restored
nikah mut'ah ''Nikah mut'ah'' ar, نكاح المتعة, nikāḥ al-mutʿah, literally "pleasure marriage"; temporary marriage or Sigheh ( fa, صیغه ، ازدواج موقت) is a private and verbal temporary marriage contract that is practiced in Tw ...
, previously banned by Umar ibn al-Khattab, but practiced under Muhammad and Abu Bakr; in 211 AH/826 CE, al-Ma'mun reportedly expressed his antipathy to those who praised
Mu'awiya ibn Abi Sufyan Mu'awiya I ( ar, معاوية بن أبي سفيان, Muʿāwiya ibn Abī Sufyān; –April 680) was the founder and first caliph of the Umayyad Caliphate, ruling from 661 until his death. He became caliph less than thirty years after the deat ...
, and reportedly punished such people;Suyūṭī, Tārīkh al-khulafāʾ, p. 364. this later view of Al-Suyuti however is questionable since it contradicts the fact that Al-Ma’mun promoted scholars who openly defended
Muawiyah ibn Abi Sufyan Mu'awiya I ( ar, معاوية بن أبي سفيان, Muʿāwiya ibn Abī Sufyān; –April 680) was the founder and first caliph of the Umayyad Caliphate, ruling from 661 until his death. He became caliph less than thirty years after the deat ...
, such as the Mu’tazilite scholar Hisham bin Amr al-Fuwati, who was a well-respected judge in the court of Al-Ma’mun in Baghdad; in 212 AH/827 CE, al-Ma'mun announced the superiority of Ali ibn Abu Talib over Abu Bakr and 'Umar b. al-Khattab; in 833 CE, under the influence of Muʿtazila rationalist thought, he initiated the mihna ordeal, where he accepted the argument that the Quran was created at some point over the orthodox Sunni belief that the Book was coeternal with God. However, Shi’ites condemn al-Ma'mun as well due to the belief that he was responsible for
Ali al-Ridha Ali ibn Musa al-Rida ( ar, عَلِيّ ٱبْن مُوسَىٰ ٱلرِّضَا, Alī ibn Mūsā al-Riḍā, 1 January 766 – 6 June 818), also known as Abū al-Ḥasan al-Thānī, was a descendant of the Islamic prophet Muhammad, and the ...
’s poisoning and eventual death in 818 CE. In the ensuing power struggle, other Abbasids sought to depose Ma'mun in favor of
Ibrahim ibn al-Mahdi Ibrāhīm ibn al-Mahdī (; 779–839) was an Abbasid prince, singer, composer and poet. He was the son of the third Abbasid caliph, al-Mahdi, and the half-brother of the poet and musician Ulayya. Ibrahim was contemporary of Abbasid caliph al-Had ...
, Ma'mun's uncle; therefore, getting rid of al-Ridha was the only realistic way of retaining united, absolute, unopposed rule. Al-Ma'mūn ordered that al-Ridha be buried next to the tomb of his own father,
Harun al-Rashid Abu Ja'far Harun ibn Muhammad al-Mahdi ( ar , أبو جعفر هارون ابن محمد المهدي) or Harun ibn al-Mahdi (; or 766 – 24 March 809), famously known as Harun al-Rashid ( ar, هَارُون الرَشِيد, translit=Hārūn ...
, and showed extreme sorrow in the funeral ritual and stayed for three days at the place.
Muhammad al-Jawad Muhammad ibn Ali al-Jawad ( ar, محمد بن علي الجواد, Muḥammad ibn ʿAlī al-Jawād, – 29 November 835) was a descendant of the Prophets and messengers in Islam, Islamic prophet Muhammad and the ninth of the Twelve Imams, su ...
, Ali al-Ridha’s son and successor, lived unopposed and free during the rest of Al-Ma'mūn’s reign (till 833 CE). The Caliph summoned al-Jawad to Baghdad in order to marry his daughter, Ummul Fadhl. This apparently provoked strenuous objections by the Abbasids. According to
Ya'qubi ʾAbū l-ʿAbbās ʾAḥmad bin ʾAbī Yaʿqūb bin Ǧaʿfar bin Wahb bin Waḍīḥ al-Yaʿqūbī (died 897/8), commonly referred to simply by his nisba al-Yaʿqūbī, was an Arab Muslim geographer and perhaps the first historian of world cultu ...
, al-Ma'mun gave al-Jawad one hundred thousand ''dirham'' and said, "Surely I would like to be a grandfather in the line of the Apostle of God and of Ali ibn Abu Talib."Donaldson, Dwight M. (1933). The Shi'ite Religion: A History of Islam in Persia and Iraḳ. AMS Press. pp. 190–197.


References


Citations


Notes


Sources

* * * * * * * *
John Bagot Glubb Lieutenant-General Sir John Bagot Glubb, KCB, CMG, DSO, OBE, MC, KStJ, KPM (16 April 1897 – 17 March 1986), known as Glubb Pasha, was a British soldier, scholar, and author, who led and trained Transjordan's Arab Legion between 1939 a ...
The Empire of the Arabs, Hodder and Stoughton, London, 1963. * * E. de la Vaissière, ''Samarcande et Samarra. Elites d'Asie centrale dans l'empire Abbasside'', Peeters, 200

*
Dimitri Gutas Dimitri Gutas ( el, Δημήτρης Γούτας; born 1945, in Cairo) is an American Arabist and Hellenist specialized in medieval Islamic philosophy, who serves as professor emeritus of Arabic and Islamic Studies in the Department of Near East ...
, Greek Thought, Arabic culture: the Graeco-Arabic translation movement in Baghdad and early Abbasid society Routledge, London, 1998 *
Hugh N. Kennedy Hugh Nigel Kennedy (born 22 October 1947) is a British medieval historian and academic. He specialises in the history of the early Islamic Middle East, Muslim Iberia and the Crusades. From 1997 to 2007, he was Professor of Middle Eastern Histor ...
, The Early Abbasid Caliphate, a political History, Croom Helm, London, 1981 * * John Nawas, A Reexamination of three current explanations for Al-Ma’mun's introduction of the Mihna, International Journal of Middle East Studies 26, (1994) pp. 615–629 * John Nawas, The Mihna of 218 A.H./833 A.D. Revisited: An Empirical Study, Journal of the American Oriental Society 116.4 (1996) pp. 698–708 * * * Peter Tompkins, "Secrets of the Great Pyramid", chapter 2, Harper and Row, 1971. *


External links


Al-Mamum: Building an Environment for Innovation
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PDF version
{{DEFAULTSORT:Mamun 786 births 833 deaths 9th-century Abbasid caliphs 9th-century rulers in Africa Arab people of Iranian descent Abbasid people of the Arab–Byzantine wars Harun al-Rashid Khurasan under the Abbasid Caliphate One Thousand and One Nights characters Mu'tazilism Sons of Abbasid caliphs Great Pyramid of Giza