13 Colonies by Nicholas Bowman and Colin By hstelling1989@gmail.com 1587 Sir Walter Raleigh explored Roanoke in 1587. Jun 22, 1587 When NC became a colony 1620 Massasoit and Squanto helped the pilgrims. 1621 The First Thanksgiving was November 1621 1624 When New York became a colony 1636 Connecticut was found 1636 Roger William was the first one to find Rhode Island in 1636. 1663 when SC became colony 1664 When New Jersey became a colony Apr 28, 1788 when Maryland was found