NHL

A timeline of NHL history from the 1917 founding through the Original Six, expansion, Gretzky, lockouts, outdoor games, and today's 32-team league.

📅 21 events🏆 Sports1917-2025Updated Oct 2026
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About this timeline

More than a century of the National Hockey League: the 1917 founding, the Original Six, expansion, Gretzky, lockouts, outdoor games, and the modern 32-team era.

Every event in this timeline

Nov 26, 1917

NHL founded in Montreal

The National Hockey League is formed at Montreal's Windsor Hotel by teams leaving the National Hockey Association.

Dec 19, 1917

First NHL games played

The league debuts with games in Ottawa and Montreal; the Montreal Wanderers and Canadiens win the openers.

Dec 1, 1924

Boston Bruins become first US team

The Bruins play their first NHL game, beginning the league's expansion into the United States.

Nov 1, 1942

Original Six era

After the Brooklyn Americans fold, the NHL stabilizes at six teams - Montreal, Toronto, Boston, Chicago, Detroit, and New York - for 25 seasons.

Mar 18, 1945

Richard scores 50 goals in 50 games

Maurice 'Rocket' Richard of the Canadiens becomes the first NHL player to score 50 goals in a 50-game season.

Jan 18, 1958

Willie O'Ree breaks the color barrier

Willie O'Ree debuts for the Boston Bruins, becoming the first Black player in NHL history.

Nov 1, 1959

Plante popularizes the goalie mask

After taking a shot to the face, Montreal's Jacques Plante returns wearing a mask and keeps it, changing goaltending forever.

Jun 6, 1967

The Great Expansion doubles the league

Six new franchises are stocked at the 1967 expansion draft, doubling the NHL to 12 teams in one stroke.

May 10, 1970

Bobby Orr's flying Cup winner

Orr scores the Stanley Cup-winning goal in overtime and soars through the air - one of hockey's most famous images.

Sep 2, 1972

Summit Series: Canada vs USSR

NHL stars face the Soviet national team for the first time; Paul Henderson's late goal wins the series for Canada.

Mar 22, 1979

NHL votes to absorb four WHA teams

Edmonton, Hartford, Quebec, and Winnipeg are admitted from the World Hockey Association, bringing Wayne Gretzky into the NHL.

Aug 9, 1988

Gretzky traded to Los Angeles

The Oilers deal Wayne Gretzky to the Kings in a trade that shocks Canada and supercharges hockey's growth in the US.

Feb 1, 1993

Gary Bettman becomes first commissioner

The NHL installs Gary Bettman as its first commissioner, beginning an era of aggressive expansion.

Jun 14, 1994

Rangers end 54-year Cup drought

The New York Rangers win Game 7 against Vancouver for their first Stanley Cup since 1940.

Apr 18, 1999

Gretzky plays his final game

Wayne Gretzky retires holding 61 NHL records; the league retires his No. 99 across all teams.

Feb 16, 2005

Lockout cancels the 2004-05 season

The NHL becomes the first major North American league to lose a full season to a labor dispute.

Jul 22, 2005

Salary-cap era and shootouts begin

A new CBA introduces a hard salary cap; rule changes and the shootout revive scoring when play resumes.

Jan 1, 2008

First Winter Classic

Pittsburgh beats Buffalo in a snowy outdoor game at Ralph Wilson Stadium, launching an annual New Year's tradition.

Oct 6, 2017

Vegas Golden Knights debut

In the NHL's centennial season, expansion Vegas debuts and improbably reaches the Stanley Cup Final in year one.

Oct 12, 2021

Seattle Kraken join as 32nd team

The Kraken play their first game, completing the league's growth to 32 franchises.

Apr 6, 2025

Ovechkin breaks Gretzky's goal record

Alex Ovechkin scores career goal 895, passing Wayne Gretzky as the NHL's all-time leading goal scorer.

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