Intense Football League ended in 2008.
Intense Football League was created in 2003.
Football League Extra ended in 2004.
Football League of Europe ended in 1995.
Arena Football League ended in 2009.
Regional Football League ended in 1999.
Enterprise Football League ended in 2009.
World Football League ended in 1975.
Continental Football League ended in 1969.
United States Football League ended in 1985.
World League of American Football ended in 1992.
Professional Spring Football League ended in 1991.
National Indoor Football League ended in 2008.