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VIkings found America about 500 years before the birth of Christopher Columbus.
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Columbus accidentally landed on America when he was sailing for the first time.
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Civil war (1861-1865) determined the survival of the Union or indepence for the Confederancy. At the end Confederancy surrended.
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Civil war determined the survival of the Union or indepence for the Confederancy. At the end Confederancy surrended.
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At first US was impartial in WWI but then joined the Allies of World War I
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The first moon landing happened in 1969.