5 Mar 1982. Bertha Wilson is appointed the first female justice to the Canadian Supreme Court. Wilson was the first woman appointed to the Court of Appeal for Ontario in 1975. In March 1982, she became the first woman appointed to the Supreme Court of Canada, nominated by Pierre Trudeau. Wilson retired from the court in January 1991, and was elected a Fellow of the Royal Society of Canada, and in 1992, she was named Companion of the Order of Canada.

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