The Taj Mahal took 20 years and 20 thousand men to finish!
83
Two dogs were among the Titanic survivors.
262
The great wall of China is 1,400 miles long!
44
English sailors were referred to as "limeys" because sailors added lime juice to their diet to combat scurvy.
69
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 loved animals so much that he used to buy caged animals at the market just to set them free.
57
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
The Mint once considered producing doughnut-shaped coins!
60