The great wall of China is 1,400 miles long!
44
The Mint once considered producing doughnut-shaped coins!
60
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
Clocks made before 1660 had only one hand - an hour hand.
41
There's no evidence that pirates made people walk the plank.
151
If a surgeon in Ancient Egypt lost a patient while performing an operation, his hands were cut off.
67
