American football
American football is a sport played between two teams of eleven with the objective of scoring points by advancing the ball into the opposing team's end zone. Known in the United States simply as football, it may also be referred to informally as gridiron football. The ball can be advanced by running with it or throwing it to a teammate...
Timeline of Events
1873
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1892
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1898
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1906
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1951
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1969
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1974
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