Emperor Constantine IV

E75568

Byzantine emperor human

Emperor Constantine IV was a 7th-century Byzantine emperor known for defending Constantinople against Arab sieges and for his role in resolving the Monothelite controversy within the Christian Church.

Aliases (3)

Statements (49)

Predicate	Object
instanceOf	Byzantine emperor → human →
alsoKnownAs	Constantine the Bearded →
appointed	Justinian II as co-emperor →
birthDate	c. 652 →
burialPlace	Church of the Holy Apostles →
coEmperorWith	Constans II → Heraclius (son of Constans II) → Tiberius (son of Constans II) →
coinageDepicts	Constantine IV with his brothers as co-emperors →
condemnedDoctrine	Monothelitism →
conflict	Byzantine–Umayyad wars →
convened	Third Council of Constantinople →
councilEnd	681 →
councilLocation	Constantinople →
councilStart	680 →
country	Byzantine Empire →
deathDate	685 →
dynasty	Heraclian dynasty →
era	Middle Byzantine period →
father	Constans II →
fullName	Constantine IV Pogonatos →
health	Reportedly suffered from illness in his later years →
issued	Edicts enforcing the decisions of the Third Council of Constantinople →
lostTerritory	Parts of the Balkans to Slavic groups →
maintainedControlOver	Exarchate of Africa → Exarchate of Ravenna →
militaryInnovationUsed	Greek fire →
mother	Fausta →
notableEvent	First Arab siege of Constantinople (674–678) →
offspring	Heraclius (son of Constantine IV) → Justinian II → Tiberius (son of Constantine IV) →
placeOfBirth	Constantinople →
placeOfDeath	Constantinople →
policy	Sought reconciliation with the Papacy over Christological disputes →
positionHeld	Emperor of the Romans →
predecessor	Constans II →
reignEnd	685 →
reignStart	668 →
religion	Chalcedonian Christianity →
religiousIssueAddressed	Monothelite controversy →
roleInEvent	Defender of Constantinople during the First Arab siege →
signedTreatyWith	Umayyad Caliphate →
strengthened	Byzantine navy →
successor	Justinian II →
supportedDoctrine	Dyothelitism →
treatyResult	Payment of annual tribute to the Umayyad Caliphate →
yearOfCoEmperorAppointment	681 →

Referenced by (8)

Subject (surface form when different)	Predicate
Constantinople III → Pope Agatho → Third Council of Constantinople →	convokedBy
Constantinople III → Third Council of Constantinople →	presidedOverBy
Constantine IV ("Constantine IV Pogonatos") →	fullName
Arab–Byzantine wars ("Constantine IV") →	opponent
Pope Agatho ("Byzantine Emperor Constantine IV") →	servedUnderRuler