Key term for OCR GCSE History B, used in Responses November 1095 to December 1096.
The formal split between the Eastern Orthodox Church in Constantinople and the Roman Catholic Church in Rome.
Great Schism (1054) appears in OCR GCSE History B revision content for The First Crusade (c.1070–1100), especially Responses November 1095 to December 1096 and Urban II.
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