1. On September 28, 1820, Missouri was officially admitted as the 24th state of the United States. This came after a contentious debate over whether or not to allow slavery in the state, as Missouri was located in the heart of the country's slavery debate.

2. In 1864, during the Civil War, the Battle of Stirling's Plantation took place near Bayou Sara, Missouri. Union soldiers under the command of General Francis J. Herron defeated Confederate troops and forced them to retreat. The battle is notable for being one of the largest engagements in the area during the war.

3. In 1903, the Missouri State Fair opened in Sedalia. The fair has been a popular event in the state for over a century, drawing visitors from all over with its agricultural displays, carnival rides, and concerts.

4. On September 28, 1941, the St. Louis Cardinals defeated the Brooklyn Dodgers to win their third National League pennant in a row. The team went on to face the New York Yankees in the World Series, where they would ultimately lose in five games.

5. In 1987, a devastating tornado struck the town of Belvidere, Missouri. The tornado killed 24 people and injured over 350 others, causing over $100 million in damage. It remains one of the deadliest tornadoes in the state's history.