1923 in Canada

Incumbents

January 1 - The Department of National Defence comes into being
January 24 - Ernest Armstrong becomes premier of Nova Scotia, replacing George H. Murray, who had governed for 27 years
February 28 - Peter Veniot becomes premier of New Brunswick, replacing Walter Foster
March 2 - The Halibut Treaty signed with the United States is Canada's first international treaty not signed under the auspices of the United Kingdom
March 14 - World's first complete play-by-play radio broadcast of a professional hockey game is done by Pete Parker in Regina.
March 22 - Foster Hewitt announces his first hockey game
June 25 - Ontario election: Howard Ferguson's Conservatives win a majority, defeating Ernest Drury's United Farmers of Ontario
July 1 - The Chinese Immigration Act of 1923 came into effect, banning all Chinese from entering Canada except for businessmen, diplomats, foreign students, and "special circumstances"
July 16 - Howard Ferguson becomes premier of Ontario, replacing Ernest Drury
August 17 - The Home Bank of Montreal fails
October 8 - A stevedore's strike begins in Vancouver
October 25 - Frederick Banting and John Macleod win the Nobel Prize for Medicine for the discovery of insulin
September 5 - James D. Stewart becomes premier of Prince Edward Island, replacing J.H. Bell
Canadian National Railway is formed by merger of Canadian Government Railways, Canadian Northern Railway, Grand Trunk Pacific Railway, and Grand Trunk Railway.
Marijuana is made illegal in Canada

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