The NFL began in 1920 as the American Professional Football Association (APFA). In 1922 the name was changed to the Nation Football League (NFL). The NFL merged with the American Football League in 1970. The NFL was divided into two conferences with most of the AFL teams in the American Football Conference (AFC) and the NFL teams in the National Football Conference (NFC). A few NFL teams went to the AFC because the NFL had more teams the the AFL.
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