The United States has paved enough roads to circle the Earth over 150 times.
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Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
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The first semi-permanent settlements appeared in Florida around 5000 B.C.
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A Native American tribe in South Dakota collects bottle caps left by campers, using them as currency. Several banks in the area now recognize the caps as legal tender.
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The United States does not have an official language.
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The Canadian province of New Brunswick (which was part of the UK at the time) had a bloodless war with the US state of Maine in 1839
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Saint Augustine, Florida, is the oldest European settlement in North America.
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