National Indoor Football League was created in 2001.
Eastern Indoor Football League was created in 2007.
National Indoor Football League ended in 2008.
Indoor Professional Football League was created in 1998.
United Indoor Football League was created in 2010.
World Indoor Football League was created in 1988.
Continental Indoor Football League was created in 2006.
Fortescue National Football League was created in 1956.
Newman National Football League was created in 1972.
National Football League was created on 1920-08-20.
Korean National Youth Football League was created in 2009.
South Australian National Football League was created in 1877.
National Football League Kickoff game was created in 2002.