Teddy bears were named after U.S. President Theodore 'Teddy' Roosevelt.
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During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
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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 United States has paved enough roads to circle the Earth over 150 times.
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In Kentucky, US, every citizen is required by law to take a bath at least once a year.
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