List of NHL rivalries
rivalries among NHL teams

Rivalries in the National Hockey League have occurred between many teams and cities. Rivalries have arisen among NHL teams for many different reasons, the primary ones including geographic proximity, familiarity with opponents, on-ice incidents, and cultural, linguistic, or national pride.
The importance of these various factors has varied widely throughout the history of the league.
Early history
During the earliest days of the NHL, the league was limited strictly to Central Canada, and all cities in the league were in close proximity, making for bitter rivalries all around. In addition, Montreal had two teams representing its English-French divide. The "French" Canadiens battled the "English" Wanderers (and later the Maroons). Rivalries also existed with other leagues, such as the Pacific Coast Hockey Association. It was not until 1926 that the NHL took sole ownership of the Stanley Cup. By that time, the league began expanding into the United States, and new rivalries were created. Rapid expansion into the U.S. for a short time created a cross-town rivalry in New York City between the New York Rangers and New York Americans.
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This entry incorporates text from “List of NHL rivalries” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.