Approximately 25,000 workers died during the building of the Panama Canal, and approximately 20,000 of them contracted malaria and yellow fever.
14
In 1700s, the deer skin was a common medium of exchange between the trading settlers and the native Red Indians in America. This is how a buck became a slang for a dollar.
28
The U.S. motto, 'In God We Trust', was not adopted as the national slogan until 1956.
72
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Leonardo da Vinci could write with one hand and draw with the other at the same time.
56
Cleopatra wasn't Egyptian; she was Greek.
107
Originally, Du Pont, Inc. was a tiny gun powder mill in New Jersey.
20