National Hockey League was created on 1917-11-26.
National Women's Hockey League was created in 1999.
Uruguayan National Roller Hockey League was created in 2008.
National Hockey League Players' Association was created in 1967-06.
English Premier Ice Hockey League was created in 1997.
National Hockey League All-Star Game was created in 1947.
English National League was created in 1935.
1917
your mommy
The American Hockey League. (AHL)
University Hockey League was created in 1998.
Midwest Hockey League was created in 2008.