1. In 1836, Michigan became the 26th state to join the Union. This event occurred on January 26, but September 5 is recognized as Michigan's Statehood Day, which celebrates the state's admission into the Union.

2. The Mackinac Bridge, which spans the Straits of Mackinac and connects the Upper and Lower Peninsulas of Michigan, opened on September 5, 1957. At the time, it was the longest suspension bridge in the world.

3. On September 5, 1930, the Detroit Lions played their first ever NFL game, losing to the Chicago Bears 14-7. The team was originally known as the Portsmouth Spartans and played in Ohio before moving to Detroit in 1934.

4. The Michigan State Fair, which ran annually from 1849 until 2009, traditionally opened on Labor Day weekend, including September 5 on several occasions. The fair showcased agriculture, industry, and entertainment, and was known for its iconic giant butter cow sculpture.

5. The University of Michigan, located in Ann Arbor, opened its doors for the first time on September 5, 1841. Originally named the Catholepistemiad, or University of Michigania, the school was founded just 13 years after the territory of Michigan was established. Today, it is one of the top public universities in the United States.