Legislation would replace Columbus Day with Indigenous Peoples' Day in Michigan - Sen. Jeff Irwin's Senate Bill 568 would make Michigan the eight state in the nation to reclaim Columbus Day to honor indigenous and tribal communities." “Michigan, at the heart of the Great Lakes basin, has a rich and long history, extending long before Europeans first arrived,” Irwin said in a statement. “It is only fitting that we more prominently recognize and celebrate the rich and vibrant, tribal tradition of the indigenous people of Michigan, and of this continent.”