May 22, 1979 - Albertan elected Canada's Prime Minister

40 Years ago May 22, 1979 ... An Albertan is elected as Canada's Prime Minister.

The answer and the sources:

Stevens, G. (1979, May 23). A great night for joe. The Globe and Mail Retrieved from https://search.proquest.com/docview/387002448?accountid=46577

https://en.wikipedia.org/wiki/Joe_Clark