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Thomes Jefferson chooses Mariweather Lewis to lead the vey first expodition into the american west
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Jefferson announces the the Louisiana Purches
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Lewis asks Clark to join the journey and a little while later he accepts
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Men are hired for the Corps of Discovery to help Lewis and Clark on expedition
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He died from a medical condition called "bilious colic"
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The Corps of Discovery encounters prairie dogs for the first time
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Sacagawea joins the Corps of Discovery to help them navigate threw the mountains
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First encounter with a Grizzly bear
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The main party arrives at the Shoshone camp, where Sacagawea recognizes the chief as her long-lost brother, Cameahwait.
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Having reached the Pacific, the entire expedition—including Sacagawea and Clark's slave, York take a vote on where to build their winter quarters.
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Having found an easier route across the country, the men reach St. Louis nearly two and a half years after their journey began and are acclaimed as national heroes.
