1. In 1835, the first steam railway train crossed the Detroit River from Windsor, Ontario to Detroit, Michigan. This helped spark Detroit's growth into a major industrial and transportation hub.

2. On July 7, 1911, the Michigan Road Commission was established by the state legislature, which led to the creation of a state highway system that greatly improved transportation across Michigan.

3. In 1958, the Mackinac Bridge opened to traffic. The bridge spans the Straits of Mackinac, connecting Michigan's Upper and Lower Peninsulas and is the longest suspension bridge in the Western Hemisphere.

4. On July 7, 1972, the Detroit Tigers played their final game at Tiger Stadium before moving to a new stadium. Tiger Stadium, which opened in 1912, is considered one of baseball's most iconic ballparks.

5. In 2010, the Kalamazoo River oil spill, one of the worst environmental disasters in Michigan history, occurred when a pipeline belonging to Enbridge Inc. burst and spilled over 800,000 gallons of oil into the river. The spill caused significant damage to the surrounding ecosystems and took years to fully clean up.