Saint Augustine, Florida, is the oldest European settlement in North America.
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Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
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The United States does not have an official language.
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The United States has paved enough roads to circle the Earth over 150 times.
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One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
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The first semi-permanent settlements appeared in Florida around 5000 B.C.
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Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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