The first semi-permanent settlements appeared in Florida around 5000 B.C.
10
In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
7
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
The United States does not have an official language.
88
In the US, people can be rejected from joining the police force if they are too intelligent.
45
In 1700s, the deer skin was a common medium of exchange between the trading settlers and the native Red Indians in America. This is how a buck became a slang for a dollar.
28
Al Capone's armored limousine, after being seized by the feds, was later used to protect Franklin Delano Roosevelt (FDR), 32nd President of the US, after the attack on Pearl Harbor.
20