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Crusader Concentric Castle Defense System

Type Object Region Levant Time c. 1100–1291

Multi-walled concentric castles developed by Crusaders in the Levant in the 12th century, using nested walls, projecting towers, and layered gatehous…

Timeline

  1. c. 1100–1140Around Antioch · AntiochAfter the First Crusade, Latin lords built stone castles at strategic mountain passes and coastal strongholds, initially forming military fortresses independent of cities.
  2. 1140–1187Krak des Chevaliers · Homs GovernorateThe Knights Hospitaller expanded strongholds such as Krak des Chevaliers, forming the typical concentric castle combining inner and outer rings of walls, projecting bastards, and cistern supplies.
  3. 1201–1210Acre · GalileeAfter the defeat at Hattin, the kingdom contracted to the coast, where concentric castles and port fortresses together supported the Fifth Crusade's landings and supply lines.

Sources