When both countries signed the Louisiana Purchase treaty on May 2, 1803 (backdated to April 30), the boundaries of 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 River basin from ...

Arkansas’s northern boundary was shaped in 1813 when Arkansas County was formed within the Mississippi Territory. When ...

Louisiana Purchase State Park in east Arkansas is one ... The park is situated along U.S. 49 about 22 miles south of Brinkley. A treaty with France in 1803 stated the United States would purchase ...