The White Tower is so-called because it was once whitewashed.
The White Tower was built on the site of a fort built by the Roman Emperor Claudius, over one thousand years earlier.
The White Tower was commissioned by William I of Normandy (William The Conqueror) as a stamp of his authority on London following his successful invasion of Britain in 1066 which effectively ended England's Anglo-Saxon period and ushered in the reign of the Normans.
It is said that if the famous and somewhat savage ravens at the Tower ever leave, the Tower and Britain will fall. To prevent this eventuality, the ravens' wings are clipped.
The White Tower is around 27.4 metres (90 feet) high to the battlements with walls up to 4.5 metres (15 feet) thick at the base.
The building is constructed from Caen stone brought from Normandy.
The White Tower is one of the world's most visited tourist attractions.
The White Tower is one of both London's and Britain's most famous buildings and as part of the Tower of London, is a UNESCO World Heritage Site.
The White Tower is the centrepiece and most recognizable building of The Tower of London complex.
The building is guarded by the Yeoman Warders, more commonly known as Beefeaters.
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