1. On August 9, 1873, the notorious outlaw Jesse James and his gang robbed the Chicago, Rock Island and Pacific Railroad in Adair, Missouri. The robbery netted around $3,000 in cash and jewelry.

2. Missouri's first state capitol building in St. Charles was dedicated on August 9, 1821. The building, which is now a museum, served as Missouri's capitol until 1826 when the seat of government was moved to Jefferson City.

3. On August 9, 1985, a tornado outbreak swept through Missouri, causing significant damage in several communities. The most severe tornado struck the town of Sarcoxie, killing 3 people and injuring over 100.

4. The Missouri State Fair, which has been held annually since 1901, usually begins on August 9 or soon after. The fair attracts over 300,000 people each year and features agricultural exhibits, carnival rides, live entertainment, and more.

5. On August 9, 1968, the St. Louis Cardinals acquired future Hall of Fame pitcher Steve Carlton from the Philadelphia Phillies in exchange for Rick Wise. Carlton would go on to win two Cy Young Awards and lead the Cardinals to the 1969 National League East title.