1. In 1838, the Michigan legislature approved a plan to make the Upper Peninsula a separate territory from the Lower Peninsula, in order to better administer the remote region's valuable mineral resources.

2. On June 28, 1910, Marjorie Stoneman Douglas, an environmental activist and journalist who later became known for her work to protect the Florida Everglades, was born in Minneapolis, Minnesota. Though she did not live in Michigan, her advocacy for conservation and preservation had far-reaching impacts across the country.

3. In 1951, the Michigan State Police launched a new Crime Lab to help law enforcement agencies across the state investigate and solve crimes more effectively. The lab became instrumental in solving many high-profile cases over the years, and has since evolved and expanded to include a variety of forensic specialties.

4. The Detroit Tigers baseball team played their first game at the newly renovated Comerica Park on June 28, 2000, after moving from their previous stadium, Tiger Stadium. The game ended in a 5-1 victory for the Tigers over the Seattle Mariners.

5. On this day in 2015, a group of volunteers gathered along the shores of Lake Michigan to clean up debris from an oil spill that had occurred nearly six years earlier. In July 2010, a pipeline owned by Enbridge Energy had ruptured and leaked more than 800,000 gallons of crude oil into the Kalamazoo River, which then flowed into Lake Michigan. The cleanup effort was ongoing for several years after the spill, and the volunteers' efforts helped to remove some of the remaining oil residue from the shoreline.