The Treaty of Tuscaloosa was signed in October 1818, and ratified by congress in January 1819. endorsed by President James Monroe. It was one of a series of treaties made between the Chickasaw Indians and the United States that year. The Treaty of Tuscaloosa was represented by Senator Andrew Jackson and ex-governor Isaac Shelby to the Chickasaw. It resulted in the acquisition of the Jackson Purchase (which included extreme western Kentucky and most of the West Tennessee division).