Tug of War was an Olympic event between 1900 and 1920.
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There is a growing sport in Berlin and London called Chess Boxing. Players alternate between a round of chess and a round of boxing until one is declared winner either by checkmate, KO, or technical stoppage.
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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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The Stanley Cup originally was only seven and a half inches high.
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The first baseball caps were made of straw.
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Each year, 30,000 people are seriously injured by exercise equipment.
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