This is a list of seasons completed by the Denver Broncos, an American footballfranchise based in Denver, Colorado. The Broncos are members of the West division of the American Football Conference (AFC) of the National Football League (NFL). The list documents their season-by-season records from 1960 to the present day, including post-season records, and league awards for individual players and head coaches. As of the end of the 2013 season, the team has completed 54 seasons and entered their 55th at the start of the 2014 season. The Broncos franchise was founded on August 14, 1959, by Bob Howsam and played their first season in 1960, in Denver, Colorado as part of the original American Football League (AFL). The team joined the NFL in as a result of the AFL–NFL merger.