Joe Clark, Canadian journalist and politician, 16th Prime Minister of Canada

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 also served as leader of the Official Opposition from 1976 to 1979 and from 1980 to 1983.

The prime minister of Canada is the head of government of Canada. Under the Westminster system, the prime minister governs with the confidence of a majority of the elected House of Commons; as such, the prime minister typically sits as a member of Parliament (MP) and leads the largest party or a coalition of parties. As first minister, the prime minister selects ministers to form the Cabinet.

June 5 is the 156th day of the year in the Gregorian calendar; 209 days remain until the end of the year.