The first semi-permanent settlements appeared in Florida around 5000 B.C.
10
Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
30
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.
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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.
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There are 189 people named 'Lol' in the U.S.
11
In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
26

The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
29
Richard Nixon was so good at poker that most of his first campaign for the House of Representatives was funded by poker winnings from his time in the navy.
9