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La Salle claimed the land east of the Rocky Mountains for France
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Juan Maria Rivera led Spanish Explorers into the San Juan Mountains in search for silver and gold.
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U.S. acquired land from the French as part of the Lousianna Purchase.
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Zebulion Pike along with U.S. soldiers, discovered Pike's Peak.
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Gold is discovered.
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The United States establishes the Colorado Territory
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Colorado becomes the 38th state in the union.
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Denver becomes the state's capital city and construction of the state captital building is complete.
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The U.S. Mint opens in downtown Denver and begins to print coins for currency.