The National Football League (NFL) is a professional American football league that is the largest in the world. The league is headquartered in Washington D.C. and has teams in sixteen states. The NFL was founded in 1966 and has since grown to be one of the most popular sports leagues in the world. The NFL has a history of championship games, with twenty-four different teams having won the title. The 2004 season was the first year that the NFL had a new television contract and the league was able to reach new heights with its broadcasts. The league also announced a new logo and new uniforms for the 2004 season.