User:Jntg4Games/Major League History

1946

 * All-America Football Conference founded.
 * Aligned into Eastern and Western divisions.

1947

 * Baltimore Colts enfranchised in Eastern Division.
 * Buffalo Bisons renamed Buffalo Bills.
 * Miami Seahawks fold.

1949

 * Realigned into single table.
 * Brooklyn Dodgers and New York Yankees merge into Brooklyn/New York Yankees.
 * Chicago Rockets renamed Chicago Hornets.

1950

 * Folded.
 * Baltimore Colts and San Francisco 49ers moved to National Football League American Conference.
 * Cleveland Browns moved to National Football League National Conference.

1960

 * American Football League founded.
 * Aligned into Eastern and Western divisions.

1961

 * Los Angeles Chargers relocate as San Diego Chargers.

1963

 * Dallas Texans relocate as Kansas City Chiefs.
 * New York Titans renamed New York Jets.

1966

 * Miami Dolphins enfranchised in Eastern Division.

1968

 * Cincinnati Bengals enfranchised in Western Division.

1970

 * Folded.
 * Boston Patriots, Buffalo Bills, Miami Dolphins, and New York Jets moved to National Football League American Conference Eastern Division.
 * Cincinnati Bengals and Houston Oilers moved to National Football League American Football Conference Central Division.
 * Denver Broncos, Kansas City Chiefs, Oakland Raiders, and San Diego Chargers moved to National Football League American Football Conference Western Division.

1958

 * Canadian Football League founded.
 * Aligned into Interprovincial Rugby Football and Western Interprovincial Football unions.

1960

 * Realigned into Eastern Football Conference and Western Interprovincial Football Union.

1961

 * Realigned into Eastern Football and Western Football conferences.

1981

 * Realigned into Eastern and Western divisions.

1982

 * Montreal Alouettes fold.
 * Montreal Concordes enfranchised in Eastern Division.

1986

 * Montreal Concordes renamed Montreal Alouettes.

1987

 * Montreal Alouettes fold.
 * Winnipeg Blue Bombers moved to Eastern Division.

1993

 * Sacramento Gold Miners enfranchised in Western Division.

1994

 * Baltimore CFLers and Shreveport Pirates enfranchised in Eastern Division.
 * Las Vegas Posse enfranchised in Western Division.

1995

 * Realigned into Northern and Southern divisions.
 * Baltimore CFLers renamed Baltimore Stallions.
 * Birmingham Barracudas, Memphis Mad Dogs, and San Antonio Texans enfranchised.
 * Las Vegas Posse or Sacramento Gold Miners fold.

1996

 * Realigned into Eastern and Western divisions.
 * Baltimore Stallions relocate as Montreal Alouettes.
 * Birmingham Barracudas, Memphis Mad Dogs, San Antonio Texans, and Shreveport Pirates fold.

1997

 * Ottawa Rough Riders fold.
 * Winnipeg Blue Bombers moved to Eastern Division.

2002

 * Ottawa Renegades enfranchised.
 * Winnipeg Blue Bombers moved to Western Division.

2006

 * Ottawa Renegades fold.
 * Winnipeg Blue Bombers moved to Eastern Division.

2014

 * Ottawa enfranchised in Eastern Division.
 * Winnipeg Blue Bombers moved to Western Division.

1876

 * National League founded.
 * National League aligned into single-table.

1877

 * Hartford Dark Blues relocate as Hartfords of Brooklyn.
 * New York Mutuals and Philadelphia Athletics fold.

1878

 * Hartfords of Brooklyn, Louisville Grays, and St. Louis Brown Stockings fold.
 * Indianapolis Blues, Milwaukee Grays, and Providence Grays enfranchised.

1879

 * Buffalo Bisons, Cleveland Blues, Syracuse Stars, and Troy Trojans enfranchised.
 * Indianapolis Blues and Milwaukee Grays fold.

1880

 * Syracuse Stars fold.
 * Worcester Ruby Legs enfranchised.

1881

 * Cincinnati Reds fold.
 * Detroit Wolverines enfranchised.

1883

 * Boston Red Caps renamed Boston Beaneaters.
 * New York Giants and Philadelphia Quakers enfranchised.
 * Troy Trojans and Worcester Ruby Legs fold.

1885

 * Cleveland Blues fold.
 * New York Gothams renamed New York Giants.
 * St. Louis Maroons moved from Union Association.

1886

 * Buffalo Bisons and Providence Grays fold.
 * Kansas City Cowboys and Washington Senators enfranchised.

1887

 * Kansas City Cowboys.
 * Pittsburgh Alleghenys moved from American Association.
 * St. Louis Maroons relocate as Indianapolis Hoosiers.

1889

 * Cleveland Spiders moved from American Association.
 * Detroit Wolverines fold.

1890

 * Brooklyn Bridegrooms and Cincinnati Reds moved from American Association.
 * Chicago White Stockings renamed Chicago Colts.
 * Indianapolis Hoosiers and Washington Senators fold.
 * Philadelphia Quakers renamed Philadelphia Phillies.

1891

 * Brooklyn Bridegrooms renamed Brooklyn Grooms.
 * Pittsburgh Alleghenys renamed Pittsburgh Pirates.

1892

 * Baltimore Orioles, Louisville Colonels, St. Louis Browns, and Washington Senators moved from American Association.

1896

 * Brooklyn Grooms renamed Brooklyn Bridegrooms.

1898

 * Chicago Colts renamed Chicago Orphans.

1899

 * Brooklyn Bridegrooms renamed Brooklyn Superbas.
 * St. Louis Browns renamed St. Louis Perfectos.

1900

 * Baltimore Orioles, Cleveland Spiders, Louisville Colonels, and Washington Senators fold.
 * St. Louis Perfectos renamed St. Louis Colonels.

1901

 * American League founded.
 * American League aligned into single table.

1902

 * Cleveland Blues renamed Cleveland Bronchos.
 * Milwaukee Brewers relocate as St. Louis Browns.

1903

 * Baltimore Orioles relocate as New York Highlanders.
 * Chicago Orphans renamed Chicago Cubs.
 * Cleveland Bronchos renamed Cleveland Naps.
 * White Stockings renamed Chicago White Sox.

1905

 * Washington Senators renamed Washington Nationals.

1907

 * Boston Beaneaters renamed Boston Doves.

1908

 * Boston Americans renamed Boston Red Sox.

1911

 * Boston Doves renamed Boston Rustlers.
 * Brooklyn Superbas renamed Brooklyn Dodgers.

1912

 * Boston Rustlers renamed Boston Braves.

1913

 * Brooklyn Dodgers renamed Brooklyn Superbas.
 * New York Highlanders renamed New York Yankees.

1914

 * Brooklyn Superbas renamed Brooklyn Robins.

1915

 * Cleveland Naps renamed Cleveland Indians.

1932

 * Brooklyn Robins renamed Brooklyn Dodgers.

1936

 * Boston Braves renamed Boston Bees.

1941

 * Boston Bees renamed Boston Braves.

1953

 * Boston Braves relocate as Milwaukee Braves.

1954

 * Cincinnati Reds renamed Cincinnati Redlegs.
 * St. Louis Browns relocate as Baltimore Orioles.

1955

 * Philadelphia Athletics relocate as Kansas City Athletics.

1957

 * Washington Nationals renamed Washington Senators.

1958

 * Brooklyn Dodgers relocate as Los Angeles Dodgers.
 * New York Giants relocate as San Francisco Giants.

1960

 * Cincinnati Redlegs renamed Cincinnati Reds.

1961

 * Los Angeles Angels and a new Washington Senators enfranchised.
 * The already existing Washington Senators relocate as Minnesota Twins.

1962

 * Houston Colt .45's and New York Mets enfranchised.

1965

 * Houston Colt .45's renamed Houston Astros.
 * Los Angeles Angels renamed California Angels on September 2.

1966

 * Milwaukee Braves relocate as Atlanta Braves.

1968

 * Kansas City Athletics relocate as Oakland Athletics.

1969

 * American League realigned into Eastern and Western divisions.
 * National League realigned into Eastern and Western divisions.
 * Kansas City Royals, Montreal Expos, San Diego Padres, and Seattle Mariners enfranchised.

1970

 * Seattle Pilots relocate as Milwaukee Brewers.

1972

 * Milwaukee Brewers moved to Eastern Division.
 * Washington Senators relocate as Texas Rangers and moved to Western Division.

1973

 * Oakland Athletics renamed Oakland A's.

1977

 * Seattle Mariners enfranchised in American League Western Division.
 * Toronto Blue Jays enfranchised in American League Eastern Divison.

1980

 * Oakland A's renamed Oakland Athletics.

1993

 * Colorado Rockies enfranchised in National League Western Division.
 * Florida Marlins enfranchised in National League Eastern Division.

1994

 * American League realigned into Central, Eastern, and Western divisions.
 * National League realigned into Central, Easter, and Western divisions.

1997

 * California Angels renamed Anaheim Angels.

1998

 * Arizona Diamondbacks enfranchised in National League Western Division.
 * Detroit Tigers moved to American League Central Division.
 * Milwaukee Brewers moved to National League Central Division.
 * Tampa Bay Devil Rays enfranchised in American League Eastern Division.

2005

 * Anaheim Angels renamed Los Angeles Angels of Anaheim.
 * Montreal Expos relocate as Washington Nationals.

2008

 * Tampa Bay Devils Rays renamed Tampa Bay Rays.

2012

 * Florida Marlins renamed Miami Marlins.

2013

 * Houston Astros moved to American League Western Division.

1996

 * Major League Soccer founded.
 * Aligned into Eastern and Western conferences.

1997

 * Kansas City Wiz renamed Kansas City Wizards.

1998

 * Chicago Fire enfranchised in Western Conference.
 * Miami Fusion FC enfranchised in Eastern Conference.
 * New York/New Jersey MetroStars renamed MetroStars.

2000

 * Realigned into Central, Eastern, and Western divisions.
 * San Jose Clash renamed San Jose Earthquakes.

2002

 * Realigned into Eastern and Western Conferences.
 * Miami Fusion FC and Tampa Bay Mutiny fold.

2005

 * C.D. Chivas USA and Real Salt Lake enfranchised in Western Conference.
 * Dallas Burn renamed FC Dallas
 * Kansas City Wizards moved to Eastern Conference.

2006

 * Houston Dynamo enfranchised in Western Conference.
 * MetroStars renamed New York Red Bulls.
 * San Jose Earthquakes suspended.

2007

 * Toronto FC enfranchised in Eastern Conference.

2008

 * San Jose Earthquakes return from suspension in Western Conference.

2009

 * Seattle Sounders FC enfranchised in Western Conference.

2010

 * Philadelphia Union enfranchised in Eastern Conference.

2011

 * Houston Dynamo moved to Eastern Conference.
 * Kansas City Wizards renamed Sporting Kansas City.
 * Portland Timbers and Vancouver Whitecaps FC.

2012

 * Montreal Impact enfranchised in Eastern Conference.

1946

 * Basketball Association of America founded.
 * Aligned into Eastern and Western divisions.

1947

 * Baltimore Bullets enfranchised in Western Division.
 * Cleveland Rebels, Detroit Falcons, Pittsburgh Ironmen, and Toronto Huskies fold.
 * Washington Capitols moved to Western Division.

1948

 * Baltimore Bullets and Washington Capitols moved to Eastern Division.
 * Fort Wayne Pistons and Rochester Royals moved to Western Division from National Basketball League Eastern Division.
 * Indianapolis Jets and Minneapolis Lakers moved to Western Division from National Basketball League Western Division.

1949

 * Renamed National Basketball Association.
 * Realigned into Central, Eastern, and Western divisions.
 * Anderson Packers and Syracuse Nationals moved from National Basketball League Eastern Division.
 * Denver Nuggets, Sheboygan Redskins, Tri-Cities Blackhawks, and Waterloo Hawks moved from National Basketball League Western Division.
 * Indianapolis Jets fold.
 * Indianapolis Olympians enfranchised.

1950

 * Realigned into Eastern and Western divisions.
 * Anderson Packers, Chicago Stags, Denver Nuggets, St. Louis Bombers, Sheboygan Red Skins, and Waterloo Hawks fold.
 * Washington Capitols fold on January 9, 1951.

1951

 * Tri-Cities Blackhawks relocate as Milwaukee Hawks.

1953

 * Indianapolis Olympians fold.

1954

 * Baltimore Bullets fold on November 27.

1955

 * Milwaukee Hawks relocate as St. Louis Hawks.

1957

 * Fort Wayne Pistons relocate as Detroit Pistons.
 * Rochester Royals relocate as Cincinnati Royals.

1960

 * Minneapolis Lakers relocate as Los Angeles Lakers.

1961

 * Chicago Packers enfranchised in Western Division.

1962

 * Chicago Packers renamed Chicago Zephyrs.
 * Cincinnati Royals moved to Eastern Division.
 * Philadelphia Warriors relocate as San Francisco Warriors and moved to Western Division.

1963

 * Chicago Zephyrs relocate as Baltimore Bullets.
 * Syracuse Nationals relocate as Philadelphia 76ers.

1966

 * Baltimore Bullets moved to Eastern Division.
 * Chicago Bulls enfranchised in Western Division.

1967

 * Detroit Pistons moved to Eastern Division.
 * San Diego Rockets and Seattle SuperSonics enfranchised in Western Division.

1968

 * Milwaukee Bucks enfranchised in Western Division.
 * Phoenix Suns enfranchised in Eastern Division.
 * St. Louis Hawks relocate as Atlanta Hawks.

1970

 * Realigned into Eastern and Western conference.
 * Eastern Conference aligned into Atlantic and Central divisions.
 * Western Conference aligned into Midwestern and Pacific divisions.
 * Buffalo Braves, Cleveland Cavaliers, and Portland Trail Blazers enfranchised.

1971

 * San Diego Rockets relocate as Houston Rockets.
 * San Francisco Warriors relocate as Golden State Warriors.

1972

 * Cincinnati Royals relocate as Kansas City-Omaha Kings and moved to Midwestern Division.
 * Houston Rockets moved to Central Division.
 * Phoenix Suns moved to Pacific Division.

1973

 * Baltimore Bullets relocate as Capital Bullets.

1974

 * Capital Bullets renamed Washington Bullets.
 * New Orleans Jazz enfranchised in Central Division.

1975

 * Kansas City-Omaha Kings relocate as Kansas City Kings.

1976

 * Denver Nuggets and Indiana Pacers moved to Midwestern Division from American Basketball Association.
 * New York Nets moved to Atlantic Division from American Basketball Association.
 * San Antonio Spurs moved to Central Division from American Basketball Association.

1977

 * New York Nets relocate as New Jersey Nets.

1978

 * Buffalo Braves relocate as San Diego Clippers and moved to Pacific Division.
 * Detroit Pistons moved to Central Division.
 * Washington Bullets moved to Atlantic Division.

1979

 * Indiana Pacers moved to Central Division.
 * New Orleans Jazz relocate as Utah Jazz and moved to Midwestern Division.

1980

 * Chicago Bulls and Milwaukee Bucks moved to Central Division.
 * Dallas Mavericks enfranchised in Midwestern Division.
 * Houston Rockets and San Antonio Spurs moved to Midwestern Division.

1984

 * San Diego Clippers relocate as Los Angeles Clippers.

1985

 * Kansas City Kings relocate as Sacramento Kings.

1988

 * Charlotte Hornets enfranchised in Atlantic Division.
 * Miami Heat enfranchised in Midwestern Division.
 * Sacramento Kings moved to Pacific Division.

1989

 * Charlotte Hornets moved to Midwestern Division.
 * Miami Heat moved to Atlantic Division.
 * Minnesota Timberwolves enfranchised in Midwestern Division.
 * Orlando Magic enfranchised in Central Division.

1990

 * Charlotte Hornets moved to Central Division.
 * Orlando Magic moved to Atlantic Division.

1991

 * Orlando Magic moved to Atlantic Division.

1995

 * Toronto Raptors enfranchised in Central Division.
 * Vancouver Grizzlies enfranchised in Midwestern Division.

1997

 * Washington Bullets renamed Washington Wizards.

2001

 * Vancouver Grizzlies relocate as Memphis Grizzlies.

2002

 * Charlotte Hornets relocate as New Orleans Hornets.

2004

 * Eastern Conference realigned into Atlantic, Central, and Southeastern Divisions.
 * Western Conference realigned into Northwestern, Pacific, and Southwestern Divisions.
 * Charlotte Bobcats enfranchised.

2005

 * New Orleans Hornets relocate as New Orleans/Oklahoma City Hornets.

2007

 * New Orleans/Oklahoma City Hornets relocate as New Orleans Hornets.

2008

 * Seattle SuperSonics relocate as Oklahoma City Thunder.

2012

 * New Jersey Nets relocate as Brooklyn Nets.

2017

 * Golden State Warriors relocate as San Francisco Warriors.

1920

 * American Professional Football Association founded.
 * Aligned into single table.

1921

 * Chicago Tigers fold.
 * Cleveland Tigers renamed Cleveland Indians.
 * Decatur Staleys relocate as Chicago Staleys.
 * Detroit Heralds renamed Detroit Tigers.
 * Cincinnati Celts, Evansville Crimson Giants, Green Bay Packers, Louisville Brecks, Minneapolis Marines, New York Brickley Giants, Tonawanda Kardex, and Washington Senators enfranchised.
 * Detroit Tigers fold on November 13.

1922

 * Renamed National Football League.
 * Chicago Staleys renamed Chicago Bears.
 * Cincinnati Celts, Cleveland Indians, Detroit Heralds, Muncie Flyers, New York Brickley Giants, Tonawanda Kardex, and Washington Senators fold.
 * Milwaukee Badgers, Oorang Indians, Racine Legion, and Toledo Maroons enfranchised.

1923

 * Cleveland Indians, Duluth Kelleys, and St. Louis All Stars enfranchised.
 * Evansville Crimson Giants fold.

1924

 * Buffalo All-Americans renamed Buffalo Bisons.
 * Canton Bulldogs relocate Cleveland Bulldogs.
 * Cleveland Indians, Louisville Brecks, Oorang Indians, St. Louis All Stars, and Toledo Maroons fold.
 * Frankford Yellow Jackets, Kansas City Blues, and Kenosha Maroons enfranchised.

1925

 * Canton Bulldogs, Detroit Panthers, New York Giants, Pottsville Maroons, and Providence Steam Roller enfranchised.
 * Kansas City Blues renamed Kansas City Cowboys.
 * Kenosha Maroons, Minneapolis Marines, and Racine Legion fold.
 * Pottsville Maroons suspended in December.

1926

 * Akron Pros renamed Akron Indians.
 * Brooklyn Lions, Hartford Blues, Los Angeles Buccaneers, Louisville Colonels, and Racine Tornadoes enfranchised.
 * Buffalo Bisons renamed Buffalo Rangers.
 * Cleveland Bulldogs, Rochester Jeffersons, and Rock Island Independents fold.
 * Duluth Kelleys renamed Duluth Eskimos.
 * Pottsville Maroons return from suspension.
 * Brooklyn Lions renamed Brooklyn Horsemen on November 21.

1927

 * Akron Indians, Canton Bulldogs, Columbus Tigers, Detroit Panthers, Hammond Pros, Hartford Blues, Kansas City Cowboys, Los Angeles Buccaneers, Louisville Colonels, Milwaukee Badgers, and Racine Tornadoes fold.
 * Brooklyn Horsemen renamed New York Yankees.
 * Buffalo Rangers renamed Buffalo Bisons.
 * Cleveland Bulldogs enfranchised.

1928

 * Buffalo Bisons, Cleveland Bulldogs, and Duluth Eskimos fold.
 * Detroit Wolverines enfranchised.

1929

 * Buffalo Bisons, Minneapolis Red Jackets, Orange Tornadoes, and Staten Island Stapletons enfranchised.
 * Detroit Wolverines and New York Yankees fold.
 * Pottsville Maroons relocate as Boston Bulldogs.

1930

 * Boston Bulldogs and Buffalo Bisons fold.
 * Dayton Triangles relocate as Brooklyn Dodgers.
 * Orange Tornadoes relocate as Newark Tornadoes.
 * Portsmouth Spartans enfranchised.

1931

 * Cleveland Indians enfranchised.
 * Minneapolis Red Jackets and Newark Tornadoes fold.
 * Frankford Yellow Jackets fold on October 26.

1932

 * Boston Braves enfranchised.
 * Cleveland Indians and Providence Steam Roller fold.

1933

 * Realigned into Eastern and Western divisions.
 * Boston Braves renamed Boston Redskins.
 * Cincinnati Reds, Philadelphia Eagles, and Pittsburgh Pirates enfranchised.
 * Staten Island Stapletons fold.

1934

 * Portsmouth Spartans relocate as Detroit Lions.
 * Cincinnati Reds fold on November 6.
 * St. Louis Gunners enfranchised in Western Division on November 6.

1935

 * St. Louis Gunners fold.

1937

 * Boston Redskins relocate as Washington Redskins.
 * Cleveland Rams enfranchised in Western Division.

1940

 * Pittsburgh Pirates renamed Pittsburgh Steelers.

1943

 * Cleveland Rams suspended.
 * Philadelphia Eagles and Pittsburgh Steelers temporarily merge as Phil-Pitt Combine.

1944

 * Brooklyn Dodgers renamed Brooklyn Tigers.
 * Phil-Pitt Combine dissolves into Philadelphia Eagles in Eastern Division, and Pittsburgh Steelers.
 * Chicago Cardinals and Pittsburgh Steelers temporarily merge as Card-Pitt Combine in Western Division.
 * Cleveland Rams return from suspension in Western Division.

1945

 * Boston Yanks and Brooklyn Tigers temporarily merge as Boston Yanks.
 * Card-Pitt Combine dissolves into Chicago Cardinals in Western Division, and Pittsburgh Steelers in Eastern Division.

1946

 * Boston Yanks dissolve into Boston Yanks in Eastern Division, and Brooklyn Tigers.
 * Brooklyn Tigers fold.
 * Cleveland Rams relocate as Los Angeles Rams.

1949

 * Boston Yanks fold.
 * New York Bulldogs enfranchised in Eastern Division.

1950

 * Realigned into American and National conferences.
 * Baltimore Colts, Cleveland Browns, and San Francisco 49ers moved from All-America Football Conference.
 * New York Bulldogs renamed New York Yanks.

1951

 * Baltimore Colts fold.

1952

 * Dallas Texans enfranchised in National Conference.
 * New York Yanks fold.

1953

 * Realigned into Eastern and Western conferences.
 * Baltimore Colts enfranchised.
 * Dallas Texans fold.

1960

 * Chicago Cardinals relocate as St. Louis Cardinals.
 * Dallas Cowboys enfranchised in Western Conference.

1961

 * Dallas Cowboys moved to Eastern Conference.
 * Minnesota Vikings enfranchised in Western Conference.

1966

 * Atlanta Falcons enfranchised in Eastern Conference.

1967

 * Eastern Conference realigned into Capitol and Century divisions.
 * Western Conference realigned into Central and Coastal divisions.
 * New Orleans Saints enfranchised.

1968

 * New Orleans Saints moved to Century Division.
 * New York Giants moved to Capitol Division.

1969

 * New Orleans Sainst moved to Capitol Division.
 * New York Giants moved to Century Division.

1970

 * Realigned into American Football and National Football conferences.
 * American Football Conference aligned into Central, Eastern, and Western divisions.
 * National Football Conference aligned into Central, Eastern, and Western divisions.
 * Boston Patriots, Buffalo Bills, Houston Oilers, Miami Dolphins, and New York Jets moved from American Football League Eastern Division.
 * Cincinnati Bengals, Denver Broncos, Kansas City Chiefs, Oakland Raiders, and San Diego Padres moved from American Football League Western Division.

1971

 * Boston Patriots renamed New England Patriots.

1976

 * Seattle Seahawks enfranchised in National Football Conference Western Division.
 * Tampa Bay Buccaneers enfranchised in American Football Conference Western Division.

1977

 * Seattle Seahawks moved to American Football Conference Western Division.
 * Tampa Bay Buccaneers moved to National Football Conference Central Division.

1982

 * Oakland Raiders relocate as Los Angeles Raiders.

1984

 * Baltimore Colts relocate as Indianapolis Colts.

1988

 * St. Louis Cardinals relocate as Phoenix Cardinals.

1994

 * Phoenix Cardinals renamed Arizona Cardinals.

1995

 * Carolina Panthers enfranchised in National Football Conference Western Division.
 * Jacksonville Jaguars enfranchised in American Football Conference Central Division.
 * Los Angeles Raiders relocate as Oakland Raiders.
 * Los Angeles Rams relocate as St. Louis Rams.

1996

 * Baltimore Ravens enfranchised in American Football Conference Central Division.
 * Cleveland Browns suspended.

1997

 * Houston Oilers relocate as Tennessee Oilers.

1999

 * Cleveland Browns return from suspension in American Football Conference Central Division.
 * Tennessee Oilers renamed Tennessee Titans.

2002

 * American Football Conference realigned into Eastern, Northern, Southern, and Western divisions.
 * National Football Conference realigned into Eastern, Northern, Southern, and Western divisions.
 * Houston Texans enfranchised.

1917
Montreal Wanderers fold on January 2, 1918.
 * National Hockey League founded.
 * Aligned into single table.

1918

 * Toronto Hockey Club renamed Toronto Arenas.

1919

 * Quebec Athletics enfranchised.
 * Toronto Arenas renamed Toronto St. Patricks.

1920

 * Quebec Athletics relocate as Hamilton Tigers.

1924

 * Boston Bruins and Montreal Maroons enfranchised.

1925

 * Hamilton Tigers fold.
 * New York Americans and Pittsburgh Pirates fold.

1926

 * Realigned into American and Canadian divisions.
 * Chicago Black Hawks, Detroit Cougars, and New York Americans enfranchised.

1927

 * Toronto St. Patricks renamed Toronto Maple Leafs.

1930

 * Detroit Cougars renamed Detroit Falcons.
 * Pittsburgh Pirates relocate as Philadelphia Quakers.

1931

 * Ottawa Senators suspended.
 * Philadelphia Quakers fold.

1932

 * Detroit Falcons renamed Detroit Red Wings.
 * Ottawa Senators return from suspension in Canadian Division.

1934

 * Ottawa Senators relocate as St. Louis Eagles.

1935

 * St. Louis Eagles fold.

1938

 * Realigned into single table.
 * Montreal Maroons fold.

1941

 * New York Americans renamed Brooklyn Americans.

1942

 * Brooklyn Americans fold.

1967

 * Realigned into Eastern and Western divisions.
 * Los Angeles Kings, Minnesota North Stars, California Seals, Philadelphia Flyers, Pittsburgh Penguins, and St. Louis Blues enfranchised.
 * California Seals renamed Oakland Seals on November 6.

1970

 * Buffalo Sabres and Vancouver Canucks enfranchised in Eastern Division.
 * Chicago Black Hawks moved to Western Division.
 * Oakland Seals renamed California Golden Seals.

1972

 * Atlanta Flames enfranchised in Western Division.
 * New York Islanders enfranchised in Eastern Division.

1974

 * Realigned into Clarence Campbell and Prince of Wales conferences.
 * Clarence Campbell Conference aligned into Patrick and Smythe divisions.
 * Prince of Wales Conference aligned into Adams and Norris divisions.
 * Kansas City Scouts and Washington Capitals enfranchised.

1976

 * California Golden Seals relocate as Cleveland Barons.
 * Kansas City Scouts relocate as Colorado Rockies.

1978

 * Cleveland Barons and Minnesota North Stars merge as Minnesota North Stars in Adams Division.

1979

 * Edmonton Oilers and Winnipeg Jets moved to Smythe Division from World Hockey Association.
 * Hartford Whalers moved to Norris Division from World Hockey Association.
 * Quebec Nordiques moved to Adams Division from World Hockey Association.
 * Washington Capitals moved to Patrick Division.

1980

 * Atlanta Flames relocate as Calgary Flames.

1981

 * Clarence Campbell Conference realigned into Norris and Smythe divisions.
 * Prince of Wales Conference realigned into Adams and Patrick divisions.

1982

 * Colorado Rockies relocate as New Jersey Devils and moved to Patrick Division.
 * Winnipeg Jets moved to Smythe Division.

1986

 * Chicago Black Hawks renamed Chicago Blackhawks.

1991

 * San Jose Sharks enfranchised in Smythe Division.

1992

 * Ottawa Senators enfranchised in Adams Division.
 * Tampa Bay Lightning enfranchised in Norris Division.

1993

 * Realigned into Eastern and Western conferences.
 * Eastern Conference aligned into Atlantic and Northeastern divisions.
 * Western Conference aligned into Central and Pacific divisions.
 * Florida Panthers and Mighty Ducks on Anaheim enfranchised.
 * Minnesota North Stars relocate as Dallas Stars.

1995

 * Quebec Nordiques relocate as Colorado Avalanche and moved to Pacific Division.

1996

 * Winnipeg Jets relocate as Phoenix Coyotes.

1997

 * Hartford Whalers relocate as Carolina Hurricanes.

1998

 * Eastern Conference realigned into Atlantic, Northeastern, and Southeastern divisions.
 * Western Conference realigned into Central, Northwestern, and Pacific divisions.
 * Nashville Predators enfranchised.

1999

 * Atlanta Thrashers enfranchised in Southeastern Division.

2000

 * Columbus Blue Jackets enfranchised in Central Division.
 * Minnesota Wild enfranchised in Northwestern Division

2004

 * Suspended.

2005

 * Returned from suspension.

20006

 * Mighty Ducks of Anaheim renamed Anaheim Ducks.

2011

 * Atlanta Thrashers relocate as Winnipeg Jets.

1983

 * Founded.
 * Aligned into Atlantic, Central, and Pacific divisions.

1984

 * Realigned into Eastern and Western conferences.
 * Eastern Conference aligned into Atlantic and Southern divisions.
 * Western Conference aligned into Central and Pacific divisions.
 * Arizona Wranglers relocate as Chicago Blitz.
 * Boston Breakers relocate as New Orleans Breakers.
 * Chicago Blitz relocate as Arizona Wranglers.
 * Houston Gamblers, Jacksonville Bulls, Memphis Showboats, Oklahoma Outlaws, Pittsburgh Maulers, and San Antonio Gunslingers enfranchised.

1985

 * Eastern Conference realigned into single table.
 * Western Conference realigned into single table.
 * Arizona Wranglers and Oklahoma Outlaws merge into Arizona Outlaws.
 * Michigan Panthers and Oakland Invaders merge into Oakland Invaders.
 * New Orleans Breakers relocate as Portland Breakers.
 * Philadelphia Stars relocate as Baltimore Stars.
 * Chicago Blitz and Pittsburgh Maulers fold.
 * Washington Federals relocate as Orlando Renegades.

1986

 * Folded.

1974

 * World Football League founded.
 * Aligned into Central, Eastern, and Western divisions.
 * Houston Texans relocate as Shreveport on September 18.
 * Shreveport renamed Shreveport Steamer on September 23.
 * New York Stars relocate as Charlotte Stars on September 25.
 * Charlotee Stars renamed Charlotte Hornets on October 4.
 * Detroit Wheels and Jacksonvilee Sharks fold on October 7.

1975

 * Realigned into Eastern and Western divisions.
 * Birmingham Americans renamed Birmingham Vulcans.
 * Chicago Fire renamed Chicago Winds.
 * Florida Blazers relocate as San Antonio Wings.
 * Jacksonville Express enfranchised.
 * Memphis Southmen renamed Memphis Grizzlies.
 * Portland Storm renamed Portland Thunder.

1976

 * Folded.

2001

 * XFL Founded.
 * Aligned into Eastern and Western divisions.

2002

 * Folded.