The first Super Bowl took place in 1967, just 3 years before the NFL-AFL merger, but did you know that NFL originally was formed in 1920. In fact, it was not NFL but American Professional Football Association (APFA) before it took its current name in 1923. The NFL has changed drastically since then, but through all up's and down's, some of the league's oldest franchises have survived. With that, let's take a look at the 10 oldest franchises in NFL history:
10) San Francisco 49ers
1946
9) St. Louis Rams
1937
8) Pittsburgh Steelers
1933
7) Philadelphia Eagles
1933
6) Washington Redskins
1932
5) Detroit Lions
1930
4) New York Giants
1925
3) Green Bay Packers
1921
2) Arizona Cardinals
1920
1) Chicago Bears
1920