1967 NHL expansion

Boston

Chicago

Detroit

Montreal

New York

Toronto

Oakland

Los Angeles

Minneapolis–Saint Paul

Philadelphia

Pittsburgh

St. Louis

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Map of the Original Six cities in red and the 1967 expansion cities in blue

The 1967 National Hockey League (NHL) expansion added six new franchises for the 1967–68 season, doubling the size of the league to 12 teams. It was the largest expansion undertaken at one time by an established major sports league and the first change in the composition of the NHL since 1942, ending the era of the Original Six.^[1]

The six new teams were the Los Angeles Kings, Minnesota North Stars, Oakland Seals, Philadelphia Flyers, Pittsburgh Penguins, and St. Louis Blues. This expansion, including placing two new clubs on the West Coast, was the result of the league's fears of a rival league that would challenge the NHL for players and the Stanley Cup. In addition, the league hoped that the expansion would result in a lucrative TV contract in the United States.

The Seals, later renamed the California Golden Seals and then the Cleveland Barons, are the only team from the expansion to cease operations and not reach the Stanley Cup. The Blues, Flyers, Kings, and Penguins continue to operate in their home cities, while the North Stars would relocate to Dallas, Texas and become the Dallas Stars. All active teams have won the Stanley Cup at least once, with the Penguins holding the most Cup titles among the 1967 expansion franchises at five.