Cheetahs were raced at Romford greyhound stadium in 1937!
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The household wrench was invented by boxing heavyweight champion Jack Johnson in 1922.
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The king of hearts is the only king without a moustache on a standard playing card!
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In 1998, Serena and Venus Williams said they could beat any man ranked 200 or worse in a game of tennis. Karsten Braasch, ranked 203, accepted the challenge and easily beat them, 6-1, 6-2.
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So that's how they cheat - a microwaved baseball will fly farther than a frozen baseball.
226
The first baseball caps were made of straw.
226
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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