The first semi-permanent settlements appeared in Florida around 5000 B.C.
10
Colorado switched mile marker "420" to "419.99" to stop people from stealing it.
37
The Statue of Liberty has US women's shoe size 879.
53
The retail price for the iPad would be $1,140 if it were built by American workers instead of Chinese.
100
The average American spends a third of their overall time online playing games and using social networks.
298
The first female self-made millionaire in America was a black woman.
4