Pierre Trudeau

Joseph Philippe Pierre Yves Elliott Trudeau (October 18, 1919 – September 28, 2000), mostly referred to as simply Pierre Trudeau, or by the initials PET, was a Canadian politician who was the 15th prime minister of Canada and leader of the Liberal Party of Canada, between 1968 and 1984, with a brief period as Leader of the Opposition, from 1979 to 1980. His tenure of 15 years and 164 days makes him Canada's third longest-serving Prime Minister, behind William Lyon Mackenzie King and John A. Macdonald.