exploration By 1235800 Jul 17, 1000 leif Erikson Period: Jun 4, 1271 to Oct 10, 1294 marco polo Apr 9, 1419 prince henry the navigator Jul 27, 1488 bartolomeu dias Oct 12, 1492 Christopher Columbus Jun 24, 1497 john cabot May 20, 1498 vasco da gama Aug 23, 1499 amerigo vespucci Apr 22, 1500 pedro cabral Apr 2, 1513 juan ponce de leon Sep 25, 1513 vasco nunez de balboa Mar 2, 1519 hernan cortes Sep 20, 1519 ferdinand magellan Period: Mar 1, 1524 to Jun 13, 1524 giovanni da verrazano Period: Nov 16, 1532 to Mar 23, 1534 francisco pizarro Jul 24, 1534 jacques cartier Sep 22, 1540 francisco vasquez de coronado May 8, 1541 Hernando de soto Period: Dec 15, 1577 to Sep 26, 1580 francis drake Jul 3, 1608 samuel de champlain Period: Sep 11, 1609 to Aug 1, 1610 henry hudson Period: Jul 12, 1673 to Mar 19, 1687 rene robertcavelier sieur de la salle Jul 13, 1728 vitus bering Period: Apr 19, 1770 to Jan 23, 1778 james cook Apr 6, 1909 Robert E.Peary Dec 14, 1911 Roald Amundsen Period: May 9, 1926 to Nov 29, 1929 Richard E. Byrd Apr 12, 1961 Yuri Gagarin May 5, 1961 alan Shepard Feb 20, 1962 john glenn Jun 16, 1963 Valentina Tereshkova Jul 20, 1969 Neil armstrong Jun 18, 1983 sally ride Oct 29, 1998 john glenn
