The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
47
Originally, Du Pont, Inc. was a tiny gun powder mill in New Jersey.
20
Clocks made before 1660 had only one hand - an hour hand.
41
The first bomb dropped by the Allies on berlin in WW2 killed the only elephant in the Berlin Zoo.
-53
The first chocolate eggs were made in Germany in the 19th century and remain one of the most popular Easter candies today.
85
Tickling was a form of torture used in ancient China on nobility because it left no mark and recovery was quick.
33
There are 92 known cases of nuclear bombs lost at sea.
148