STATE HISTORY

• Missouri officially became a state on: August 10, 1821

• Brief history of Missouri before it became a state? Missouri's territory was part of the larger Louisiana Territory, acquired by the United States in 1803 through the Louisiana Purchase. Initially, the area was under French and then Spanish control before being sold to the U.S. The Missouri Territory was established in 1812 to avoid confusion with the State of Louisiana.

• What is Missouri's abbreviation? MO