1. Missouri was admitted as the 24th state on February 1, 1821. After a long dispute over whether Missouri would enter the Union as a slave state or a free state, Congress finally reached a compromise allowing for the admission of Missouri and Maine as separate states and prohibiting slavery in the northern part of the Louisiana Territory.

2. On February 1, 1865, General Sterling Price led his Confederate forces in a desperate last-ditch effort to capture Jefferson City, the state capital. Despite some initial successes, Price's plan ultimately failed, and Missouri remained firmly in Union control throughout the Civil War.

3. The Missouri State Legislature approved a bill designating the white oak as the state tree on February 1, 1955. The white oak is known for its strength, durability, and beauty, and is a popular choice for lumber, furniture, and flooring.

4. On February 1, 1968, the Gateway Arch in St. Louis, Missouri was completed. The Arch, which stands 630 feet tall and weighs 43,220 tons, is the centerpiece of the Gateway Arch National Park and has become an iconic symbol of both St. Louis and the American West.

5. The Kansas City Chiefs won their first and only Super Bowl on February 1, 1970, defeating the Minnesota Vikings 23-7 in Super Bowl IV. Led by quarterback Len Dawson and head coach Hank Stram, the Chiefs became the second team from the American Football League to win the Super Bowl after the league merged with the National Football League.