Gratiot: A man, a fort, a road, and a lighthouse! Fort Gratiot is mostly known today as the name of Michigan’s oldest lighthouse, but it was also a military installation that guarded the mouth of the St. Clair River into Lake Huron from 1814 to 1879. Hear storied about the how and why of the fort, as well as its famous resident, and the exciting life of the Fort’s namesake. [virtual program]