when did the buffalo bills became a team
History of the Buffalo Bills This article details the history of the Buffalo Bills. The team began play in 1960 as a charter member of the American Football League (AFL) and won two consecutive AFL titles in 1964 and 1965. The club joined the National Football League (NFL) as part of the 1970 AFL-NFL merger. The Bills have the distinction of being the only team to advance to four consecutive Super Bowls, but also has the dubious distinction of losing all four of them.