1) The Great Fire of 1881: On September 16, 1881, one of the most devastating fires in Michigan's history broke out in Thumb region, destroying more than 1.2 million acres of land and killing over 200 people.

2) Michigan's Statehood Day: September 16 is also known as Statehood Day in Michigan, as this is the day when Michigan became the 26th state of the United States in 1837.

3) Michigan State Fair: For many years, September 16 was the final day of the annual Michigan State Fair, which was held in Detroit. However, the fair was closed down in 2009 due to budget cuts.

4) Mackinac Bridge: On September 16, 1954, construction of the Mackinac Bridge, which connects Michigan's Upper and Lower Peninsulas, was completed. The bridge is now a popular tourist attraction and an iconic symbol of Michigan.

5) Detroit Tigers: On September 16, 2011, the Detroit Tigers beat the Oakland Athletics 3-0 in a game that marked the end of an era. This was the last game played at Tiger Stadium, which had been the home of the Detroit Tigers for over 80 years.