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The Louisiana Purchase is announced to the public.
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Lewis and Clark begin their expedition in the new land from the Louisiana Purchase. Their journey began at the Missouri River.
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The expedition team celebrate the first 4th of July in the new territory and name the area Indepence Creek.
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The Corps of Discovery meets with the Oto and Missouri Indians where they hand out peace metals.
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Lewis and Clark establish Fort Mandan across the river from the villages of the Mandan and Hidatsas Indians.
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Native American Sacagawea and her husband Charbonneau are asked to join the expedition as interpreters.
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Sacagawea gives birth to baby Jean Baptiste on the expedition.
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Lewis and Clark send 12 men back to report to Thomas Jefferson about their findings with artefacts, maps, and reports.
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Lewis and Clark establish Camp Fortunate where they met the Shoshone Chief Cameahwait (Sacagawea's Brother).
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Clark spots Mount Hood, indicating that they have reached an area they went through on their journey out.
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The expedition team encounters the Pacific Ocean at the mouth of the Columbia River
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The expedition team establishes Camp Clatsop and remains there during the harsh winter weather.
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The team splits up to explore more land. Lewis and his team traveled to the Great Falls and the Maris River, while Clark and and his men follow the Yellowstone River.
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Lewis's team crosses over the Continental divide and calls it Lewis and Clark Pass.
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Clark inscribed his name and the date into the rock face of Pompy's Tower, which is still there today.
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Lewis and Clark experience a hostile encounter when Blackfeet Indians attempted to steal rifles from Louis's team. This caused a fight resulting in the death of 2 indians.
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Lewis and Clark reunite at near the mouth of the Yellowstone River.
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After a little over two years, Lewis and Clark finally reach St. Louis which was the end of their journey.