High Heels were originally made for men in the 16th century.
78
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Nazi leader Adolf Hitler had only one testicle.
117
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
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153