A notable expedition in American history took place from 1804 to 1806. Meriwether Lewis and William Clark were key figures in this event. They sought a route to the Pacific.

Further information about this expedition is available through a book titled This Vast Enterprise, written by Craig Fehrman. The book was published by Avid Reader Press in 2026. Details about the expedition and its significance can be found in the book, which explores the history of the event.