1. On July 16, 1925, the historic Mackinac Bridge was officially opened to the public. The bridge spans the Straits of Mackinac, connecting Michigan's Upper and Lower Peninsulas.

2. Michigan's first state park, Mackinac Island State Park, was established on July 16, 1895. The park covers over 80% of Mackinac Island and features stunning natural beauty, including forests, lakes, and shorelines.

3. On July 16, 1969, astronaut David Scott, a Michigan native, became the seventh person to walk on the moon during the Apollo 15 mission. Scott and his fellow astronaut James Irwin conducted experiments and collected geologic samples during their time on the moon.

4. The first known lighthouse in Michigan was lit on July 16, 1825, at Fort Gratiot, near what is now Port Huron. The lighthouse helped guide ships through the dangerous waters of Lake Huron and remains an important navigational aid today.

5. July 16 marks the anniversary of the founding of Ann Arbor, Michigan, which was established in 1824 by John Allen and Elisha Rumsey. The city is now home to the University of Michigan and has a vibrant arts and culture scene.