The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16
The universally popular Hershey bar was used overseas during World War II as currency.
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Pineapples were such a status symbol in 18th century England that you could rent one for the evening to take to a party.
25
Kung Fu actually originated in India, but was developed further in China.
90
To take an oath, ancient Romans put a hand on their testicles
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Each king in a deck of playing cards represents a great king from history: spades - King David, clubs - Alexander the Great, hearts - Charlemagne, and diamonds - Julius Caesar.
33
The World Trade Center towers used to have two zip codes, 10047-10048, one for each building.
77