The NFL began in 1920 and the AFL began in 1960. The two leagues merged in 1970.
The NFL is the older league, formed in 1920.There have been several AFLs, the first of which was formed in 1926, the last of which was formed in 1960, and eventually merged with the NFL in 1970.
1970; they entered the AFL in 1960.
The AFL and NFL merged before the start of the 1970 season.
NFL by far!
150 years for afl
The Chiefs became an NFL team in 1967 when the AFL merged with the NFL to become one league. They were one of the original AFL teams. They were still in the AFL until 1970, they won the Super bowl IV in 1970 as the last AFL team, the following year they joined the NFL as part of the AFC The Chiefs were originally named The Dallas Texans and was founded by Lamar Hunt as a member of the American Football League(AFL). The Chiefs relocated to Kansas City in 1963 and took the name that they have now. They then joined the NFL during the NFL-AFL merging in the year 1960.
Well im not sure how, but NFL stands for National Football League. There used to be the AFL (American Football League) but the NFL and AFL merged.
The Dolphins joined the NFL when the AFL-NFL merger took place prior to the 1970 season. The Dolphins first season in the AFL was 1966 and were a member of the AFL East Division from 1966-1969.
AFL only played in four Super Bowls and were 2-2 other than that it has all been NFL. In 1970 AFL became the AFC and have won 19 and lost 22. NFL/NFC 23 - AFL/AFC 21
Yes
The alternate name for the first Super Bowl was The First World Championship Game, AFL vs NFL.
When the AFL and NFC joined together.