Grenades were invented in China over 1,000 years ago.
50
Recently, archaeologists excavating in the old medieval town of Odense in Denmark uncovered 700-year-old barrels of poop - and, to their surprise, they still smelt.
11
Clocks made before 1660 had only one hand - an hour hand.
41
The U.S. motto, 'In God We Trust', was not adopted as the national slogan until 1956.
72
In the 1930's, American track star Jesse Owens used to race against horses and dogs to earn a living.
50
At age 18, the Queen of England was a mechanic for the British Military.
67
London's Pall Mall became the first street lit by gaslight in 1807!
39
In 1982, a high school student from Los Angeles, California unscrambled the Rubik's Cube in 22.95 seconds.
60