A major fire gutted downtown Toronto, putting 5,000 people out of work.
By 1904, baseball was so popular in the Yukon that a two-game international championship was played and won by Whitehorse over the Alaskan town of Skagway.
Pitching against the Philadelphia Athletics on May 5, Cy Young of the Boston Americans threw the first perfect game in the modern era of baseball.
With the two-year Russo-Japanese War well underway, a conflict that claimed 170,000 casualties, the third modern Olympic Games opened in St. Louis Missouri U.S.A.
The National League champion New York Giants refused to play their American League counterpart, the Boston Americans, in what was scheduled to be the second annual World Series of baseball.
Edmonton was incorporated as a city in the North West Territories.
Tommy Douglas, the founder of universal healthcare in Saskatchewan, was born in Scotland.
The Calgary Tigers provided a highlight of the 1904 season with their challenge for the baseball championship of the prairies, the Northwest Territories and Manitoba. Calgary, took off on a ten-game tour including the championship series against the reigning Manitoba champs from Brandon.
Led by a strong starting trio of Andy McCartney (left), George Miller and Harold Jamieson, Calgary won seven of the ten contests including two of three from Brandon.
However, an alcohol-fueled brawl at the Tigers' windup celebration which led to police charges, took some of the lustre from the team's achievements.