The Mint once considered producing doughnut-shaped coins!
60
Clocks made before 1660 had only one hand - an hour hand.
41
Genghis Khan exempted the poor and clergy from taxes, encouraged literacy, and established free religion, leading many peoples to join his empire before they were even conquered.
28
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The Statue of Liberty was a gift of friendship resulting from the diplomatic relationship between the United States and France.
97
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Harry S. Truman was the last U.S. President with no college degree.
55