1. Detroit Riots: On June 4, 1967, the Detroit Riots erupted, lasting for five days and resulting in 43 deaths, 1,189 injuries, over 7,200 arrests, and $40 million in property damage. It is considered one of the most violent and destructive riots in American history.

2. Path of the Tornado: On June 4, 1998, an F3 tornado touched down in northern Michigan, causing extensive damage to homes, businesses, and trees along its path. The tornado traveled over 20 miles, starting in Otsego County and ending in Cheboygan County.

3. Michigan's First Medical School: On June 4, 1850, the University of Michigan established the first medical school in the state, making it one of the earliest medical schools in the country. It was originally located in Ann Arbor and has since expanded to other campuses across Michigan.

4. Mackinac Bridge: On June 4, 1954, the Mackinac Bridge officially opened, connecting the Upper and Lower peninsulas of Michigan. The bridge is over five miles long and stands as a symbol of Michigan's engineering and architectural achievements.

5. Michigan's National Park: On June 4, 1932, President Herbert Hoover signed a bill designating Isle Royale in Lake Superior as Michigan's first national park. The park covers over 200 square miles, including the island and adjacent waters. It is a popular destination for hiking, camping, and wildlife viewing.