The Louisiana purchase of 1803

In exchange, the United States acquired the vast domain of Louisiana Territory, some 828,000 square miles of land. The treaty was dated April 30 and signed on May 2. In October, the U. S. Senate ratified the purchase, and in December 1803 France transferred authority over the region to the United States

The Louisiana Purchase (1803) was a land deal between the United States and France, in which the U. S. acquired approximately 827,000 square miles of land west of the Mississippi River for $15 million.