Korean National Youth Football League was created in 2009.
Newman National Football League was created in 1972.
National Indoor Football League was created in 2001.
Fortescue National Football League was created in 1956.
National Football League was created on 1920-08-20.
National Football League Kickoff game was created in 2002.
National Football League Players Association was created in 1956.
South Australian National Football League was created in 1877.
National Football League Quarterback Challenge was created in 1990.
National Futsal League Malaysia was created in 2004.
Korean Basketball League was created in 1997.
The National Football League (NFL) was created.
NFL is an American football abbreviation. "NFL" stands for "National Football League". National because the league is played across the nation; Football because the game played is referred to as "football" (It is known as "football" in America. Many countries refer to it a "soccer".); League because this national game is played with multiple teams in many places at different times, etc. (unapproved definition of "league").