Trudeaumania Timeline By Kent Xu Period: Apr 4, 1967 to Jul 5, 1968 Pierre Trudeau's Minister of Justice and Attornery General of Canada Timespan Period: Apr 6, 1968 to Jun 16, 1984 Pierre Trudeau's Leader of the Liberal Party of Canada Timespan Period: Apr 20, 1968 to Jun 14, 1980 Trudeaumania's Timespan Period: Apr 20, 1968 to Jun 4, 1979 Pierre Trudeau's Prime Minister of Canada Timespan