The first semi-permanent settlements appeared in Florida around 5000 B.C.
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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.
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In Breton, Alabama, there is a law on the town's books against riding down the street in a motorboat.
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There are two credit cards for every person in the United States.
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Colorado switched mile marker "420" to "419.99" to stop people from stealing it.
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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.
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