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The Louisana Purchase is signed by Thomas Jefferson
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News of the Louisana Purchase is announced
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Sargent Floyd is the first U.S. soldier to die past the Mississppi.
Also the first and only one to die on the expedition. -
Louis and Clark offically start the expedition in St. Louis.
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They celebrated the first independence day past the Mississippi River
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Sacagawea, a pregant woman and her husband join the expedition as interpeters.
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The tempature is recorded as -45 degrees F.
That is colder than they every thought possible in the United States. -
Sacagawea's son is born.
Jean Baptiste Charconneau -
They thought they had reached the Pacific Ocean
It was really the mouth of the Columbia River -
The Expepedition gets back to St. Louis