al-Ma'mun

E51505

Abbasid caliph Muslim ruler historical figure

Al-Ma'mun was a prominent Abbasid caliph known for his patronage of science and philosophy, the founding of the Bayt al-Hikma (House of Wisdom) in Baghdad, and his role in the Mihna (inquisition) over Islamic doctrine.

Aliases (4)

Abbasid Caliph ×1
Abu al-Abbas Abd Allah al-Ma'mun ibn Harun al-Rashid ×1
Caliph al-Ma'mun ×1
al-Maʾmun ×1

Statements (49)

Predicate	Object
instanceOf	Abbasid caliph → Muslim ruler → historical figure →
appointed	Ali al-Rida as heir apparent →
birthDate	786 →
birthPlace	Baghdad →
burialPlace	Tarsus →
caliphateCapital	Baghdad →
cameToPowerAfter	Fourth Fitna →
commissioned	astronomical observations → geographical surveys → measurement of the Earth's circumference →
conflict	Byzantine Empire →
deathDate	833 →
deathPlace	near Tarsus →
dynasty	Abbasid Caliphate →
era	Islamic Golden Age →
event	Mihna →
father	Harun al-Rashid →
founded	Bayt al-Hikma →
fullName	Abu al-Abbas Abd Allah al-Ma'mun ibn Harun al-Rashid →
givenName	Abd Allah →
initiated	Mihna →
knownFor	founding the Bayt al-Hikma → patronage of philosophy → patronage of science → support of rationalist theology → support of the Mu'tazilite school → the Mihna inquisition →
language	Arabic →
ledCampaignsIn	Byzantine frontier regions →
mother	Marajil →
patronage	Bayt al-Hikma →
policy	enforcement of the doctrine of the createdness of the Qur'an →
politicalConflict	civil war with al-Amin →
predecessor	al-Amin →
promoted	astronomy → mathematics → medicine → translation of Greek works into Arabic →
regnalName	al-Ma'mun →
reignEnd	833 →
reignStart	813 →
religion	Islam →
sibling	al-Amin → al-Mu'tasim →
successor	al-Mu'tasim →
territoryRuled	Abbasid Caliphate →
title	Amir al-Mu'minin →

Referenced by (13)

Subject (surface form when different)	Predicate
Al-Khwarizmi ("Caliph al-Ma'mun") →	associatedWith
House of Wisdom →	associatedWithCaliph
Harun al-Rashid →	child
House of Wisdom →	expandedUnderRuleOf
al-Ma'mun ("Abu al-Abbas Abd Allah al-Ma'mun ibn Harun al-Rashid") →	fullName
Early Islamic period →	hasKeyFigure
Mihna ("al-Maʾmun") →	initiatedBy
House of Wisdom →	patron
al-Mu'tasim →	predecessor
Iltutmish ("Abbasid Caliph") →	receivedTitleFrom
al-Ma'mun →	regnalName
Abbasid Caliphate →	ruler
al-Mu'tasim →	sibling