'The Tower of London', 1890. Castle on the River Thames, founded 1066 as part of the Norman Conquest of England, the White Tower built by William the Conqueror in 1079 became a symbol of oppression, inflicted on London by the new ruling elite. Used as a prison from 1100- 1952. From "Cassell's Illustrated Universal History, Vol. IV - Modern History", by Edmund Ollier. [Cassell and Company, Limited, London, Paris and Melbourne, 1890]