The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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In the 1930's, American track star Jesse Owens used to race against horses and dogs to earn a living.
50
In Ancient Egypt, some people paid their taxes in honey.
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In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
13