Key term for OCR GCSE History B, used in Antioch October 1097 to June 1098.
A military force sent to assist a besieged location and drive away the attacking forces.
Relief army appears in OCR GCSE History B revision content for The First Crusade (c.1070–1100), especially Antioch October 1097 to June 1098 and Defeat of Kerbogha.
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