1582 Sir Humphrey Gilbert Map (drawn by John Dee).

"That all these Northern Iles and Septentrional Parts are lawfully appropriated to the Crown of this Brytish Impire: and the terrible adventure and great loss of the Brytish people and other of King Arthur his subjects perishing about the first discovery thereof. And the placing of Colonies in the same Iles and Regions by the same King Arthur. And an entire and general Description of all the part of the world within 12 degrees o fthe North Pole and somewhat more." Mercator to Dee
4/20/1577