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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At 120 miles per hour, a Formula One car generates so much downforce that it can drive upside down on the roof of a tunnel.
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Prior to 1900, prize fights lasted up to 100 rounds.
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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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Cheetahs were raced at Romford greyhound stadium in 1937!
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So that's how they cheat - a microwaved baseball will fly farther than a frozen baseball.
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The household wrench was invented by boxing heavyweight champion Jack Johnson in 1922.
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