Explore what was the Louisiana Purchase. Check how this historic land deal doubled the US, its significant history, the vast map of acquired territory, and fascinating facts.

Westward Expansion: Louisiana Purchase & the Mississippi Valley (1803) Posted: March 17, 2025 | Last updated: July 12, 2025. The film discusses the settlement of the Mississippi Valley in the ...

On Oct. 20, 1803, U.S. Senate ratified the Louisiana Purchase Treaty by a vote of 24-7. The agreement, which provided for the purchase of the western half of the Mississippi ...