See also: 1903 in Canada, other events of 1904, 1905 in Canada and the Timeline of Canadian history.

Events

• April 8 - In the Lansdowne-Cambon Convention France gives up some of its longstandin rights in Newfoundland
• April 18 - The Great Toronto Fire destroys much of that city's downtown, but kills no one.
• June 24 - The North West Mounted Police become the Royal North West Mounted Police
• October 8 - Edmonton is incorporated as a city of the North-West Territories.
• The dominion government purchased Alberta and Saskatchewan from the North-West Territories for $1,636,000 dollars. Alberta and Saskatchewan then were granted $1,030,375 each and $62,500 each for the next five years
• Henry Ford opens an automobile manufacturing plant in Windsor, Ontario

Births

• January 4 - Pegi Nicol MacLeod , artist
• January 14 - Walter Harris, politician
• February 29 - Lloyd Stinson, Manitoba politician
• March 6 - Farquhar Oliver, politician
• April 16 - Fifi D'Orsay, actor
• April 24 - Paul-Émile Cardinal Léger, clergyman
• May 1 - Alfred Wallace Downer, politician
• May 13 - Earle Birney, poet
• May 29 - Eugene Forsey, politician
• July 22 - Donald Hebb, psychologist
• July 26 - Frank Hogg , astrophysicist
• September 7 - Matthew Halton , journalist
• September 14 - Frank Amyot , Olympic gold medalist
• September 23 - Geoffrey Waddington , conductor
• September 29 - Robert Legget , engineer
• October 20 - Tommy Douglas, socialist politician
• November 18 - Jean Paul Lemieux, artist
• November 26 - Armand Frappier , biologist
• December 18 - Wilf Carter, composer and singer
• December 25 - Gerhard Herzberg, scientist
• December 29 - Léoda Gauthier, politician
• Gustave Biéler, war hero