East–West Schism

E9092

event in church history schism

The East–West Schism was the 1054 split between the Roman Catholic and Eastern Orthodox Churches, driven by long-standing theological, political, and cultural disputes that permanently divided Western and Eastern Christianity.

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All labels observed (6)

Label	Occurrences
East–West Schism canonical	11
Great Schism of 1054	6
East–West Schism of 1054	2
Byzantine–Western divergence	1
Great Schism	1
Schism of 1054	1

Statements (48)

Predicate	Object
instanceOf	event in church history ⓘ schism ⓘ
alsoKnownAs	East–West Schism ⓘ surface form: Great Schism of 1054 East–West Schism ⓘ surface form: Schism of 1054
characterizedBy	break in communion ⓘ doctrinal disagreements ⓘ jurisdictional conflicts ⓘ mutual anathemas ⓘ
culturalContext	Greek East ⓘ Latin West ⓘ
dateOfMutualExcommunications	16 July 1054 ⓘ
hasCause	Filioque clause in the Nicene Creed ⓘ surface form: Filioque controversy cultural disputes ⓘ disputes over papal primacy ⓘ ecclesiological disputes ⓘ language divide between Latin and Greek ⓘ liturgical differences ⓘ papal claims of universal jurisdiction ⓘ political disputes ⓘ political rivalry between Byzantine Empire and Western Latin powers ⓘ theological disputes ⓘ
hasEffect	development of distinct Western and Eastern Christian traditions ⓘ mutual excommunications ⓘ permanent division between Western and Eastern Christianity ⓘ separation of Roman Catholic Church and Eastern Orthodox Church ⓘ
involves	Eastern Orthodox Christianity ⓘ surface form: Eastern Orthodox Church Patriarchate of Constantinople ⓘ Holy See ⓘ surface form: Patriarchate of Rome Roman Catholicism ⓘ surface form: Roman Catholic Church
keyFigure	Patriarch Michael I Cerularius ⓘ Pope Leo IX ⓘ
location	Istanbul ⓘ surface form: Constantinople Rome ⓘ
longTermConsequence	distinct development of Eastern Orthodox theology ⓘ distinct development of Roman Catholic theology ⓘ enduring division within Christianity ⓘ
mutualExcommunicationsLifted	1965 ⓘ
mutualExcommunicationsLiftedBy	Patriarch Athenagoras I ⓘ Pope Paul VI ⓘ
precededBy	Photian Schism ⓘ
relatedTo	Byzantine Empire ⓘ Council of Chalcedon ⓘ Holy Roman Empire ⓘ
religiousTradition	Christianity ⓘ
startTime	1054 ⓘ
theologicalIssue	Filioque clause in the Nicene Creed ⓘ nature of papal authority ⓘ use of leavened vs unleavened bread in the Eucharist ⓘ

Referenced by (22)

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

Filioque clause in the Nicene Creed → centralTo → East–West Schism ⓘ

Middle Ages → includesEvent → East–West Schism ⓘ

this entity surface form: Great Schism of 1054

East–West Schism → alsoKnownAs → East–West Schism ⓘ

this entity surface form: Great Schism of 1054

East–West Schism → alsoKnownAs → East–West Schism ⓘ

this entity surface form: Schism of 1054

Byzantine Empire → experienced → East–West Schism ⓘ

this entity surface form: Great Schism of 1054

Western Christianity → hasHistoricalEvent → East–West Schism ⓘ

this entity surface form: Great Schism of 1054

Greek Orthodox Church → separationEvent → East–West Schism ⓘ

Patriarch Athenagoras I → seeAlso → East–West Schism ⓘ

this entity surface form: Great Schism

Photian Schism → followedBy → East–West Schism ⓘ

Photian Schism → chronologicallyBefore → East–West Schism ⓘ

this entity surface form: East–West Schism of 1054

Patriarch Michael I Cerularius → notableEvent → East–West Schism ⓘ

subject surface form: Michael I Cerularius

Patriarch Michael I Cerularius → seeAlso → East–West Schism ⓘ

subject surface form: Michael I Cerularius

Patriarch Joseph II of Constantinople → seeAlso → East–West Schism ⓘ

Dark Ages → associatedWith → East–West Schism ⓘ

this entity surface form: Byzantine–Western divergence

joint Catholic–Orthodox declaration of 1965 → historicalContext → East–West Schism ⓘ

this entity surface form: Great Schism of 1054

Council of Constantinople 867 → relatedTo → East–West Schism ⓘ

Papal legates of Pope Leo IX → significantEvent → East–West Schism ⓘ

Papal legates of Pope Leo IX → contributedTo → East–West Schism ⓘ

Cardinal Humbert of Silva Candida → event → East–West Schism ⓘ

Orthodox churches → majorSchism → East–West Schism ⓘ

this entity surface form: East–West Schism of 1054

Christendom → historicalEvent → East–West Schism ⓘ

this entity surface form: Great Schism of 1054

Byzantine–Latin conflicts → relatedTo → East–West Schism ⓘ