Benjamin Franklin
soccer started in the 1170s
Notts County, from the city of Nottingham in England are the first team founded to still be in an actual league, they were founded in 1863.
The Dallas Cowboys were the first team known as "America's Team". The nickname for the Cowboys was first coined in 1978, in an NFL Films highlight show.
The oldest AHL team that still exists is the Hershey Bears. They were founded in 1938.
The Chicago Bears, who were founded in 1919 and joined the NFL in 1920. The only remaining team from the NFL's first season in 1920 are the Cardinals (the oldest team; founded in 1898)
In America
The Detroit Lions were founded in 1930. The first name of the team was the Portsmouth Spartans. They moved to Detroit in 1935, and the team was renamed the Detroit Lions.
Lamar Hunt founded the Kansas City Chiefs in 1960 which was the first team in the new American Football League.
Alinghi is a team formed in 2000 that competes in the America's Cup yacht race. The team was founded by Ernesto Bertarelli, and it won the competition in 2003.
The Las Aguilas is the nickname for the Club de Futbol America soccer team. They are located in Estadio Azteca, Mexico City, Mexico and were founded on October 12, 1916.
The team was founded in 1947 and joined the NBA in 1948.