Cheetahs were raced at Romford greyhound stadium in 1937!
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Prior to 1900, prize fights lasted up to 100 rounds.
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The household wrench was invented by boxing heavyweight champion Jack Johnson in 1922.
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There is a sport called Banzai Skydiving. You throw the parachute out of the airplane first and then jump after it.
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Most NASCAR Teams use nitrogen in their tires instead of air.
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A 'face-off' in hockey was originally called a 'puck-off'.
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