Charles Joseph Clark is a Canadian businessman, writer, and retired politician who served as the 16th prime minister of Canada from 1979 to 1980. He served as leader of the Official Opposition from 19
Clark in 1979
Charles Clark House, a cultural heritage site in Canada, number 6563 in the Canadian Register of Historic Places
Joe Clark on the floor of the 1983 leadership convention.
The Progressive Conservative Party of Canada was a centre-right federal political party in Canada that existed from 1942 to 2003.
John Diefenbaker, the 13th prime minister of Canada (1957–1963)
Brian Mulroney, the 18th prime minister of Canada (1984–1993)
Kim Campbell, the 19th prime minister of Canada (June – November 1993)