1. The Mackinac Bridge was opened on April 15, 1957. The bridge is the longest suspension bridge in the western hemisphere, spanning 5 miles across the Straits of Mackinac.

2. In 1865, Abraham Lincoln died on April 15, just days after the end of the Civil War. His death sent shockwaves throughout the country, and Michigan was no exception. The state's newspapers were filled with stories of mourning and tributes to the fallen president.

3. On April 15, 2019, a massive fire broke out at Notre Dame Cathedral in Paris, France. While this event did not take place in Michigan, it had a significant impact on the state's large Catholic population. Many Michigan residents watched in horror as the historic cathedral burned, and some even traveled to Paris to assist with the restoration efforts.

4. April 15 is also tax day in the United States, which means that it is the deadline for individuals and businesses to file their income tax returns. While this may not sound like an exciting fact, it is a significant day for many Michiganders who must submit their taxes to the state and federal governments.

5. On April 15, 1920, the Michigan Wolverines baseball team played its first game at the newly-constructed Ferry Field. The Wolverines went on to demolish the Ohio State Buckeyes 17-1, setting the tone for what would be a successful season. Today, Ferry Field is used mainly for track and field events, but it still holds a special place in the hearts of Michigan baseball fans.