Joseph Philippe Pierre Yves Elliott Trudeau, PC, CC, CH, QC, MSRC (usually known as Pierre Trudeau or Pierre Elliott Trudeau), was the 15th Prime Minister of Canada from April 20, 1968 to June 4, 1979, and from March 3, 1980 to June 30, 1984.
Pierre Trudeau was a charismatic figure who, from the late 1960s until the mid-1980s, dominated the Canadian political scene and aroused passionate reactions. "Reason before passion" was his personal motto. "He haunts us still," biographers Christina McCall and Stephen Clarkson wrote in 1990. Admirers praise the force of Trudeau's intellect and they salute his political acumen in preserving national unity and establishing the Charter of Rights and Freedoms within Canada's constitution. His detractors accuse him of arrogance, economic mismanagement, and unduly favouring the authority of the federal government in relation to the provinces, but despite the controversy, both Trudeau's defenders and detractors agree he left a mark on the Canadian politics of his time.
Trudeau led Canada through a hard period of Canadian history, and was often the centre of attention and controversy. Known for his flamboyance, he dated celebrities, was accused of using an obscenity during debate in the House of Commons, and once did a pirouette behind the back of Queen Elizabeth II.