The life expectancy in 1900 was just 47 years.
49
Queen Elizabeth II served as a mechanic and driver in World War 2.
36
There are pictures of Knights fighting Snails in old Medieval manuscripts - and nobody knows why.
23
No one knows who designed the first American Flag.
45
At age 18, the Queen of England was a mechanic for the British Military.
67
Kung Fu actually originated in India, but was developed further in China.
90