In Kentucky, US, every citizen is required by law to take a bath at least once a year.
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The first semi-permanent settlements appeared in Florida around 5000 B.C.
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There are six times as many people of Irish descent living in America than in Ireland.
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The United States has paved enough roads to circle the Earth over 150 times.
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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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In the US, people can be rejected from joining the police force if they are too intelligent.
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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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