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President Jefferson and Congress made the Louisiana Purchase.
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Lewis and CLark set off from St. Louis to explore the land Jefferson bought.
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Sargeant Charles Floyde, one of the men on Lewis and Clark's expidition, died of a ruptured appendix. He was the only one to die on their expidition.
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Lewis and Clark meet the Native American tribe the Yorkton Sioux.
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Fort Mandan is completed for a winter camp for Lewis and Clark's men.
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Lewis and CLark send 12 men back to St. Louis with maps, reports, artefacts, and other stuff for President Jefferson.
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Lewis and CLark meet Chief Cameahwait, Sacaawea's brother.
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William Clark writes he most famous journal entry, 'Ocean in view! O! The joy!'
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Lewis is accedentally shot by one of the men in his party.
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Lewis and Clark return to St. Louis and end their historic expedition.