What major events happened in Canada?

February 26, 1920: Aboriginals gain the right to vote.
November 21, 1921: Canada gets its first coat of arms.
September 15, 1922: Canada refused to support the British in war, asserting their foreign policy independence.
January 1, 1923: The department of defense is created.
March 2, 1923: The Halibut treaty is signed with the United States
July 1, 1923: Chinese immigrants are banned from Canada.