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.
English National Ice Hockey League was created in 1996.
National Hockey League Players' Association was created in 1967-06.
National Hockey League All-Star Game was created in 1947.
1917
The American Hockey League. (AHL)
Premier Hockey League was created in 2005.
Minor Hockey League was created in 2009.
Bulgarian Hockey League was created in 1949.
United Hockey League was created in 1991.