National Marquette Day is an annual celebration observed on September 15, 2025 to honor the legacy of Father Jacques Marquette, a Jesuit missionary and explorer who played a significant role in the history of the Upper Midwest.
The day is marked by various events and activities, including lectures, exhibits, and historical reenactments. It is an opportunity for people to learn more about Father Marquette’s life and work, and to celebrate the rich history of the region.