Early Explorer's By Smith.A 1420 Prince Henry 1487 Bartolomeu das 1492 Christopher columbius 1497 Vasco da gama 1497 John cobot 1498 John cobot 1499 Christopher columbius 1499 Amerigo vespucci 1500 Podro cabral 1502 Christopher columbius 1513 Juan ponce de leon 1513 Vasco Manez de balboa 1519 heman cortes 1520 Ferdinand Magellan 1524 grovanni de varrazano 1528 Alver nunez cabeza de voca 1535 Jaques carier 1540 vasquez de coronado 1541 De soto Sep 28, 1542 Juan Cabarillo 1576 matin frobisher 1578 martin frobisher 1609 Henry hudson 1609 henry hudson 1666 robert cavelierde lasalle 1673 louis joliet and jaques marquette