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Lewis and Clark

Lewis and Clark Expedition Time Line

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January 18, 1803
U.S. President Thomas Jefferson sends a secret message to Congress asking for approval and funding of an expedition to explore the Western part of the continent.

Spring 1803
Meriwether Lewis begins his training as the expedition's leader in Philadelphia.

July 4, 1803
News of the Louisiana Purchase is announced; Lewis will now be exploring land largely owned by the United States.

Summer 1803
In Pittsburgh, Lewis oversees construction of a keelboat, then picks up William Clark and other recruits as he travels down the Ohio River.

Fall/Winter 1803
Lewis and Clark establish Camp Wood, the winter camp for their Corps of Discovery, on the Wood River in Illinois.

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