1. In 1865, June 19 marked the first official celebration of Juneteenth in Michigan. This holiday commemorates the end of slavery in the United States and is celebrated annually on June 19.

2. In 1912, Michigan's first state park, Mackinac Island State Park, was officially established. Covering over 4 square miles, the park is known for its stunning natural beauty and historic landmarks.

3. On June 19, 1934, the Detroit Tigers set a Major League Baseball record by scoring 15 runs in the first inning of a game against the St. Louis Browns. The Tigers went on to win the game 16-4.

4. In 1963, civil rights leader Medgar Evers was assassinated in Mississippi. While not a Michigan event specifically, Evers had strong ties to the state and was the first field secretary for the NAACP in Mississippi. His death was a turning point in the civil rights movement.

5. On June 19, 2018, Michigan voters approved a ballot measure legalizing the use and possession of recreational marijuana for adults aged 21 and older. This made Michigan the tenth state in the country to legalize recreational marijuana.