East-West Schism

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History & Society

East-West Schism

Christianity

Also known as: Schism of 1054

Written and fact-checked by The Editors of Encyclopaedia Britannica

Last Updated: Mar 8, 2024 • Article History

Schism of 1054

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Category: History & Society

Also called:: Schism of 1054

Date:: 1054

Location:: Europe

Participants:: Eastern Orthodoxy; Roman Catholicism

Key People:: Humbert of Silva Candida; St. Leo IX; Michael Cerularius; Nicetas Stethatos

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East-West Schism, event that precipitated the final separation between the Eastern Christian churches (led by the patriarch of Constantinople, Michael Cerularius) and the Western church (led by Pope Leo IX). The mutual excommunications by the pope and the patriarch in 1054 became a watershed in church history. The excommunications were not lifted until 1965, when Pope Paul VI and Patriarch Athenagoras I, following their historic meeting in Jerusalem in 1964, presided over simultaneous ceremonies that revoked the excommunication decrees. The relation of the Byzantine church to the Roman may be described as one of growing estrangement from the 5th to ...(100 of 541 words)

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