1. On July 18, 1861, the Battle of Boonville took place in Missouri during the American Civil War. Union forces, led by Nathaniel Lyon, defeated a pro-Confederate force and secured control of the Missouri River.

2. Missouri's first state park, Roaring River State Park, was dedicated on July 18, 1928. Known for its trout fishing, natural springs, and hiking trails, the park attracts thousands of visitors each year.

3. Jazz great Charlie "Bird" Parker was born in Kansas City, Missouri on July 18, 1920. Parker would go on to become one of the most influential musicians in the history of jazz, with his innovative style and virtuosic improvisations.

4. On July 18, 1965, Missourian Marlin Perkins debuted as the host of the television series "Mutual of Omaha's Wild Kingdom". The show, which focused on wildlife and conservation efforts around the world, would become an iconic part of American television history.

5. The University of Missouri was founded on July 18, 1839. Today, the university is one of the largest in the state and is known for its strong programs in journalism, agriculture, and medicine. It has also produced numerous notable alumni, including former President Harry S. Truman and journalist Walter Cronkite.