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Jefferson anounces to the public that he has bought the Louisiana territory from France for the United States.
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Lewis writes a letter to William Clark requesting that he join him on the expedition.
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The Corps of Discovery sets off in its quest to reach the Pacific Ocean, lead by Lewis and Clark.
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Sergeant Charles Floyd dies near what is now Sioux City in Iowa. He is the only fatality.
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The explorers have their first encounter with a Grizzly bear.
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Sacagawea, one of the Corp's guides, finds her long- lost brother, now the Cheif of her old tribe, the Shoshone.
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Clark sights Mount Hood in present- day Oregon.
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The explorers vote on where they should locate their winter camp. This is the first recorded time in American history that a slave and a woman were allowed to vote.
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Lewis takes 9 men to explore a shortcut to Great Falls and the rest travel down the Yellowstone River.
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Lewis is accidentally shot by one of the men traveling with him, also making the last entry in his journal.
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The Corps of Discovery is reunited and continues on their journey.
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Lewis and Clark along with the rest of the Corps of Discovery return to St. Louis.
