See also: 1913 in Canada, other events of 1914, 1915 in Canada and the list of 'years in Canada'.
Events
- March 19 - The Royal Ontario Museum opens
- May 14 - First mahor discovery of oil in western Canada at Turner Valley
- May 29 - Ocean liner Empress of Ireland sinks in Gulf of St. Lawrence; 1,024 lives lost.
- June 19 - A coal mine explosion in Hillcrest, Alberta kills 189, the worst mining disaster in Canadian history
- August 4 - WWI: United Kingdom declares war on Germany, meaning Canada is automatically involved.
- Canada's War Measures Act is passed suspending all civil rights in Canada during a crisis.
- September 9 - WWI: The creation of the Canadian Automobile Machine Gun Brigade, the first fully mechanized unit in the British Army
- October 2 - William Hearst becomes Premier of Ontario replacing the retiring James Whitney
- October 3 - WWI: 33 000 Canadian troops depart for Europe, the largest force to ever cross the Atlantic Ocean at the time.
- December 17 - George J. Clark becomes Premier of New Brunswick replacing the retiring James K. Flemming
- All-time high levels of Immigration are ended by the war
- Canada suspends the convertability of the dollar into gold
- Edmonton adopts a new numbered street and avenue pattern
- Ontario passes a worker's compensation act that provides all workers with funding in case of disability
Births
- March 13 - W.O. Mitchell, author
- April 3 - Edwin Boyd, bank robber
- April 11 - Norman McLaren, animated film director
- April 18 - David Smith, verterinarian
- May 9 - Hank Snow, musician
- July 1 - Stephen Juba, businessman
- July 10 - Joe Shuster, artist
- July 19 - John Kenneth Macalister, WWII hero
- December 10 - Frank Thurston, engineer
- December 26 - Crawford Gordon, businessman
- Hugh LeCaine, instrument designer