Key term for OCR GCSE History B, used in Into Asia Minor December 1096 to October 1097.
An ecclesiastical council held in Italy in March 1095 where Byzantine envoys appealed to Pope Urban II for military aid.
Council of Piacenza appears in OCR GCSE History B revision content for The First Crusade (c.1070–1100), especially Into Asia Minor December 1096 to October 1097 and Alexios I.
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