1. On September 9, 1908, the Detroit Tigers won their first American League pennant. Led by manager Hughie Jennings and star players Ty Cobb and Sam Crawford, the Tigers finished the season with a record of 90-63, one game ahead of the Cleveland Naps. The Tigers went on to win the World Series that year, defeating the Chicago Cubs in five games.

2. On September 9, 1940, the Mackinac Bridge Authority was established by the Michigan Legislature. The bridge, which connects Michigan's Upper and Lower Peninsulas, was not completed until 1957, but the establishment of the Authority was an important step in the process. The bridge is now considered one of Michigan's most iconic landmarks.

3. On September 9, 1971, the Michigan Supreme Court ruled that the death penalty was unconstitutional under the state's constitution. The decision came in the case of People v. Anderson, in which the defendant was convicted of first-degree murder and sentenced to death. The Court's decision paved the way for Michigan to join the growing movement against capital punishment.

4. On September 9, 1993, a tornado outbreak hit the state of Michigan, causing widespread damage and several deaths. The outbreak included a powerful F4 tornado that struck the town of Blissfield, killing two people and causing over $50 million in damage. The tornado outbreak was one of the worst in Michigan's history.

5. On September 9, 2017, the University of Michigan football team played their first night game at the newly renovated Michigan Stadium against the University of Cincinnati. The game, which was attended by over 111,000 fans, marked a new era for Michigan football and a new level of excitement for the university community. Michigan went on to win the game 36-14.