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Meriwether Lewis is asked by president Jefferson to be his secretary Aid.
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Lewis becomes comander of expedition, and writes a letter to William Clark to join him. Clark later accepts.
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Thomas Jefferson purchases louisianna Territory.
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Expedition begins.
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Corps of discovery meet with representatives of the oto and Missouri Indians and exchanged gifts as a symbol of peace
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Expedition discovers villages of the Mandan and Hidatas Indians. The captains decided to build Fort Mandan there.
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Troussant Charbonneau was hired along with his wife Sacagawea as interpreters.
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Sacagawea gives birth to a baby boy. Jean Baptiste
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Fort Clotsop is created. Named after the Clatsop Indians.
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The expedition returns to the mandan village after reaching Oregon.
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Lewis and Clark reach St. Louis
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Lewis and Clark return home and treated like national heroes. They returned to washington D.C. The two men recieved double the pay and 320 acres of land as a reward.