The National Football League got in progress in 1920 when it was known as the American Professional Football Association and started with 11 groups. In spite of just 4 groups having the option to complete the season the class continued onward and kept on extending and contract uncontrollably over that first decade. In 1922, the APFA was re-named as the National Football League.
Just a couple of establishments from those early seasons still exist today, the Chicago (presently Arizona) Cardinals and Decatur Staleys (presently Chicago Bears) were the two groups in that debut season, the Green Bay Packers joined the APFA for their sophmore season in 1921. The New York Giants are the main other current-day establishment to particiate in that first decade, participating in 1925.
In 1966 the NFL reported they had arrived at a merger manage the contending American Football League which would likewise build up a solitary "Big showdown's Game" which would later formally be known as the Super Bowl. In 1970, the NFL and AFL finished their merger with the AFL groups framing the new American Football Conference and the current NFL groups setting off to the National Football Conference.nfl football team logo big logo light up beanie