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William Lyon Mackenzie King
William Lyon Mackenzie King, prime minister of Canada 1921–26, 1926–30 and 1935–48 (born 17 December 1874 in Berlin [Kitchener], ON; died 22 July 1950 in Kingsmere, QC). William Lyon Mackenzie King was the dominant political figure in an era of major changes. He was leader of the Liberal Party from 1919 to 1948, and Prime Minister of Canada for almost 22 of those years. King was Canada’s longest-serving prime minister. He steered Canada through industrialization, much of the Great Depression, and the Second World War. By the time he left office, Canada had achieved greater independence from Britain and a stronger international voice. It had also implemented policies such as employment insurance.