In 1809, two countries declared war and then forgot to sign a peace treaty for years.
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The Roman Empire once spanned three continents.
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Ancient supercontinents existed long before modern continents formed.
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The American Civil War lasted from 1861 to 1865.
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The Great Fire of London began in a bakery in 1666.
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Prehistoric climates were often warmer than today.
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Ancient Rome had a complex system of aqueducts.
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The 1960 Valdivia earthquake is the strongest ever recorded.
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The Chicxulub crater is linked to the dinosaur extinction event.
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