1. On May 28, 1952, the first nuclear power plant in Missouri was dedicated at the University of Missouri in Columbia. The research reactor was used for training and experimentation for almost 20 years before it was retired.

2. In 1830, the Indian Removal Act was signed into law, paving the way for the forced relocation of thousands of Native Americans, including the Cherokee Nation in Missouri.

3. On May 28, 1916, Missouri's famous Route 66 was officially established as part of the national highway system. The road became an iconic symbol of American freedom and adventure, and continues to attract tourists from around the world to this day.

4. In 1892, the Happy Hollow Club was established in Kansas City, Missouri. The exclusive country club was known for its opulence and high society gatherings, and counted many wealthy and influential individuals among its members.

5. On May 28, 1937, the Missouri State Capitol Building in Jefferson City was severely damaged by a fire. The blaze destroyed the building's dome and caused extensive damage to the interior. The Capitol was then rebuilt and reopened in 1938, with a new, larger dome and many modern features.