Contrary to popular belief, the first ironclad warships were built by Korea in the 16th century.
14
During the Black Plague, it was thought that bad smells were the cause of the plague. "Plague Doctors" therefore wore masks with long beak-like noses stuffed with flowers or smoke to hide the smells.
19
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
Early American humans hunted car-size armadillos and used their shells for houses.
12
The Statue of Liberty was a gift of friendship resulting from the diplomatic relationship between the United States and France.
97