Origins of the tower
Originally, the White Tower, after which the rest of the fortress was named, was built by William the Conqueror in 1078. Today, the Tower of London might only be one of many parts of the huge London skyline. At that time, however, the fortress on the Thames was a symbol of power visible far beyond the river. Its location on the Thames made it ideal for warding off enemy troops, but also for keeping potentially rebellious Londoners under control.