Christopher Columbus:
- First Voyage: 1492-1493
- Second Voyage: 1493-1496
- Third Voyage: 1498-1500
- Fourth Voyage: 1502-1504
Vasco da Gama:
- First Voyage to India: 1497-1499
Ferdinand Magellan:
- First Circumnavigation of the World: 1519-1522 (Completed by Juan Sebastian Elcano after Magellan's death)
John Cabot:
- First Voyage: 1497
- Second Voyage: 1498
Jacques Cartier:
- First Voyage: 1534
- Second Voyage: 1535-1536
- Third Voyage: 1541-1542
Hernán Cortés:
- Conquest of Mexico: 1519-1521
Francisco Pizarro:
- Conquest of Peru: 1531-1533
Samuel de Champlain:
- First Voyage: 1603
- Second Voyage: 1604-1607
- Third Voyage: 1608-1609
Henry Hudson:
- First Voyage: 1607
- Second Voyage: 1608
- Third Voyage: 1609
- Fourth Voyage: 1610-1611
James Cook:
- First Voyage: 1768-1771
- Second Voyage: 1772-1775
- Third Voyage: 1776-1779
Lewis and Clark Expedition:
- Meriwether Lewis and William Clark: 1804-1806
David Livingstone:
- First Expedition: 1841-1856
- Second Expedition: 1858-1864
- Third Expedition: 1866-1873
Henry Morton Stanley:
- First Expedition: 1871-1872
- Second Expedition: 1874-1877
- Third Expedition: 1887-1889
Roald Amundsen:
- First Expedition to Antarctica: 1897-1899
- Second Expedition to Antarctica: 1910-1912 (Reached the South Pole)
- Third Expedition: 1926 (North Pole flight)
Ernest Shackleton:
- First Expedition: 1907-1909 (Nimrod Expedition)
- Second Expedition: 1914-1917 (Endurance Expedition)
- Third Expedition: 1921-1922 (Quest Expedition)
Sir Edmund Hillary and Tenzing Norgay:
- First Ascent of Mount Everest: 1953
Yuri Gagarin:
- First Human Spaceflight: 1961 (Vostok 1)
Neil Armstrong and Buzz Aldrin:
- First Human Moon landing: 1969 (Apollo 11)