On June 14, 1671, the Pageant of Sault was held, and the French government claimed the territory that would become Michigan.
The French, led by Simon Francois, claimed all the land — bounded on the one side by the Northern and Western Seas and on the other side by the South Sea — for the French monarchy. They did this before Native Americans, and warned them of the perils the Indians might incur by trading with other European powers.
Source: Michigan Historical Calendar, Clarke Historical Library at Central Michigan University.
For another, see Wikipedia Timeline of Michigan history.
For another source, see The Pageant of 1671, American Journeys : Eyewitness Accounts of Early American Exploration and Settlement – A Digital Library and Learnig Center, Wisconsin Historical Society.
For another source, see The pageant of Saint Lusson, Sault Ste. Marie, 1671 (1892), Internet Archive.