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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Tug of War was an Olympic event between 1900 and 1920.
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Prior to 1900, prize fights lasted up to 100 rounds.
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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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All major league baseball umpires must wear black underwear while on the job!
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It takes 3,000 cows to supply the NFL with enough leather for a year's supply of footballs.
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In England, there's a phenomenon called the "half-time kettle effect" where power use surges at half-time during England's matches in the World Cup as everyone turns on their tea kettles at the same time.
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