Abel Tasman reaches New Zealand
Christopher Columbus discovers the New World
Circumnavigation of the Earth by Magellan Expedition
Erik the Red discovers Greenland
Hillary and Norgay reach the summit of Mt. Everest
James Cook reaches the coast of Australia
Leif Erikson sets foot on continental America
Lewis and Clark reach the Pacific Ocean
Marco Polo travels to China
Roald Amundsen reaches the South Pole
Vasco da Gama reaches India
Yuri Gagarin travels into space
I wish there was a question on Zheng He and maybe even Battuta, all but four of these explorers are from the same continent lol.
Edit; changed one to four
All explorers from 1 continent but 4: 2 US soldiers, 1 NZ alpinist and 1 sherpa ;)
also it's vasco da gama (portuguese moment)
Name corrected!