The Tower of London

Edward. It all started because William became outraged when Edward backed down on his promise to give the throne to William and ended up giving the throne to his English brother-in-law, Harold. William sailed his army across the English Channel to conquer England. On October 14, 1066, he met Harold at Hastings and conquered him. On Christmas Day later that year, William - now called William the conqueror - was crowned King of England. Immediately after William took over as king, he built forts everywhere. One stood in the southeastern corner of London, near an old Roman wall on the north bank