The first semi-permanent settlements appeared in Florida around 5000 B.C.
10
No president of the United States was an only child for his parents.
51
203 million dollars is spent on barbed wire each year in the U.S.
65
Seven U.S. states are named after sovereigns - four kings and three queens.
5
There is a county in California called Yolo.
11
Colorado switched mile marker "420" to "419.99" to stop people from stealing it.
37
In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
7