Key term for OCR GCSE History B, used in Antioch October 1097 to June 1098.
The specific defensive tower on the western wall of Antioch where the crusaders first breached the city using a rope ladder.
Tower of the Two Sisters appears in OCR GCSE History B revision content for The First Crusade (c.1070–1100), especially Antioch October 1097 to June 1098 and Siege by crusaders.
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