Isle Royale National Park By plocher20 1670 A Jesuit missionary published an account of the Isle Royale 1783 Great Britain gives Isle Royale to the U.S. 1842 The Ojibwa Indians gave up the island 1845 First Copper mine opened 1875 Isle Royale Light House built Dec 6, 1906 Sinking of the the SS Monarch Jun 7, 1928 The SS America sank in Isle Royale Apr 3, 1940 Became a National Park Jun 4, 1947 The SS Emperor sank Oct 20, 1976 Federally designated as a wilderness
