The establishment of the Roanoke Colony (/ ˈ r oʊ ə n oʊ k / ROH-ə-nohk) was an attempt by Sir Walter Raleigh to found the first permanent English settlement in North America.The English, led by Sir Humphrey Gilbert, had claimed St. John's, Newfoundland, in 1583 as the first English territory in North America at the royal prerogative of Queen Elizabeth I.