Ancient Egyptians had a 365-day calendar and knew the Earth revolved around the Sun over 2,000 years before Copernicus.
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The Roman Empire significantly influenced law and architecture in Europe.
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The CIA funded cultural organizations during the Cold War as part of influence efforts.
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In 1930, an entire village temporarily declared independence during a tax dispute.
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The Persian Empire maintained a large professional army.
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The Civil War lasted from 1861 to 1865.
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