History of castle evolution By Mr_Pickle Mar 20, 1066 William the Conqueror Builds Castles in England Mar 20, 1068 Warwick Castle was built Mar 20, 1070 The wood of the tower of london began being replaced with stone Mar 20, 1078 The Tower of London was completed Mar 20, 1087 the first Square Keep Castle is built Mar 20, 1097 The Tower of London is built Mar 20, 1197 The Chateau Gaillard is built Mar 20, 1201 The decline of medieval castles starts Mar 20, 1277 Concentric Castles are starting to be built Mar 20, 1315 Warwick Castle is Attacked Mar 20, 1330 Artillery cannons were starting to be used, this was the beginning of the end for castles Mar 20, 1330 Castels are designed to withstand a french invasion Mar 2, 2022 Motte and Bailey Castles are built Period: Mar 2, 2022 to Jan 1, 1500 timespan