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In 1858 William Russel found gold in Colorado.
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As the Civil War began, Colorado became an established territory.
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On July 4, 1869, Colorado's first rodeo was held.
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Colorado became a state on August 1, 1876.
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On Novenber 7, 1893, Colorado gave women the right to vote.
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A fire broke out on the miners tent on April 20, 1914.
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Colorado was forced to mine more molybdenum in 1918 for World War 1.
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On February 28, 1929 Colorado's flag got its colors.
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The Great Depression hurt Colorado a great deal.
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The people of Colorado found changes on Venus in June of 2007.