Early Explorers and Settlers By kayro 1492 christopher columbbus discovers the americas 1521 hernan cortez conquered aztec 1585 Raleigh sets up colony on Roanoke Island 1587 Some settlers stay on Roanoke. The other settlers go back to England for supplies 1590 When the explorers return to Roanoke, they found that everyone disappeared 5084 -Sir Walter Raleigh land and begins new colony "Virginia"