jan 1, 1804 - Lewis and Clark Expedition (1804-1806)
Description:
Meriwether Lewis, with co-captain William Clark, led an 8,000-mile expedition to the West coast and back from 1804 to 1806. Known as the "Corps of Discovery," the expedition's mission was to find a water passage to the Pacific Ocean. The explorers discovered 178 new plants and 122 species and subspecies of animals.
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