These events occured in 1900 in the world of hockey:
12–16 February — Montreal Shamrocks successfully defends the Stanley Cup, defeating Winnipeg Victorias in a best–of–three series 2–1.
- 5–7 March — Montreal Shamrocks defeats Halifax Crescents in a Cup challenge best–of–three series 2–0.
- 10 March — Montreal Shamrocks wins the Canadian Amateur Hockey League (CAHL) championship for the second successive season with a regular season record of 7–1.
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