Alexios IV Angelos

E438908

Alexios IV Angelos was a Byzantine emperor whose alliance with the leaders of the Fourth Crusade led to the crusaders’ intervention in Constantinople and the eventual sack of the city in 1204.

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Statements (45)

Predicate Object
instanceOf Byzantine emperor
historical figure
allianceWith Venetian crusaders
leaders of the Fourth Crusade
associatedWith Latin occupation of Constantinople NERFINISHED
decline of the Byzantine Empire
causeOfDeath strangulation
conflict civil unrest in Constantinople (1203–1204)
coRuler Isaac II Angelos NERFINISHED
countryOfCitizenship Byzantine Empire NERFINISHED
dateOfDeath 1204
dynasty Angelos dynasty NERFINISHED
eventLeadingToPower capture of Constantinople by crusaders in 1203
restoration of Isaac II Angelos
familyName Angelos NERFINISHED
father Isaac II Angelos NERFINISHED
givenName Alexios NERFINISHED
historicalPeriod Late Byzantine period
houseOrFamily Angelos NERFINISHED
imprisonedBy Alexios V Doukas NERFINISHED
mannerOfDeath execution
mother Irene of Hungary NERFINISHED
nobleTitle Byzantine emperor
notableEvent Fourth Crusade NERFINISHED
Sack of Constantinople (1204) NERFINISHED
Siege of Constantinople (1203) NERFINISHED
notableFor inviting the Fourth Crusade to intervene in Byzantine politics
role in events leading to the sack of Constantinople in 1204
overthrownBy Alexios V Doukas NERFINISHED
placeOfBirth Constantinople NERFINISHED
placeOfDeath Constantinople NERFINISHED
positionHeld Byzantine emperor
Emperor of the Romans NERFINISHED
predecessor Alexios III Angelos NERFINISHED
promise large payments and military support against Muslim powers
submission of the Byzantine Church to Rome
promisedTo Fourth Crusade leaders
reasonForOverthrow growing unpopularity in Constantinople
inability to pay promised sums to crusaders
reignEnd 1204
reignStart 1203
religion Eastern Orthodox Christianity
surface form: Eastern Orthodox Church
sexOrGender male
successor Alexios V Doukas NERFINISHED
titleDuringReign Alexios IV Komnenos Angelos NERFINISHED

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Fourth Crusade keyFigure Alexios IV Angelos
Byzantine Emperor Alexios III Angelos successor Alexios IV Angelos
subject surface form: Alexios III Angelos
Byzantine Emperor Alexios III Angelos relative Alexios IV Angelos
subject surface form: Alexios III Angelos