Event

Lewis and Clark Expedition

1804–1806 · 19th century · Also known as Corps of Discovery

The Lewis and Clark Expedition was a United States Army expedition led by Meriwether Lewis and William Clark from 1804 to 1806 to explore the newly acquired Louisiana Purchase and find a route to the Pacific. Aided by the Shoshone woman Sacagawea, it travelled up the Missouri River and across the Rocky Mountains to the Pacific coast and back, recording the land and its peoples, plants and animals.

Lewis and Clark Expedition
Image: Public domain · Wikimedia Commons
Cite this entry
APA
The Epoch Institute. (2026). Lewis and Clark Expedition. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/lewis-and-clark-expedition
MLA
“Lewis and Clark Expedition.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/lewis-and-clark-expedition. Accessed .
Chicago
The Epoch Institute. “Lewis and Clark Expedition.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/lewis-and-clark-expedition.
Harvard
The Epoch Institute (2026) ‘Lewis and Clark Expedition’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/lewis-and-clark-expedition (Accessed: ).

Last reviewed October 2026Random entry ↻