During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
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Teddy bears were named after U.S. President Theodore 'Teddy' Roosevelt.
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The United States consumes 25% of all the world's energy.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The turkey is one of the most famous birds in North America. In fact, Benjamin Franklin wanted to make the wild turkey, not the Bald Eagle, the national bird of the United States!
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The Statue of Liberty has US women's shoe size 879.
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