Labour government, 1974–1979
In March 1976, having just turned sixty years old, Wilson resigned as Prime Minister, ending his leadership of the Labour Party after thirteen years, and a total of nearly eight years as Prime Minister. He was replaced by James Callaghan, who had held senior government positions during both of Wilson's ministries, and had served as a Shadow Cabinet member in the early-1960s.
Electoral history of William Lyon Mackenzie King
This article is the Electoral history of William Lyon Mackenzie King, the tenth Prime Minister of Canada. A Liberal, he was Canada's longest-serving Prime Minister, with three separate terms as Prime Minister (1921–1926, 1926–1930 and 1935–1948), for a total of 21 years and 154 days. He defeated Prime Ministers Arthur Meighen and R.B. Bennett at different times, and was succeeded by Prime Minister Louis St. Laurent in 1948.