In 1878 Adolf Erik Nordenskiöld became the first to complete the Northeast Passage without overwintering.
Adolf Erik Nordenskiöld led the first complete crossing of the Northeast Passage in 1878/79.
He was the first to explore the Northeast Passage.
Norway was the first country to successfully travel through the Northwest Passage.
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Robert McClure mapped the northwest passage. it was Roald Amundsen that first successfully traveled through the passage by ship in 1902.
The first powered flight, completed by the Wright Brothers, was successfully flown in 1903.
submarine successfully completed the first fully-submerged circumnavigation of the earth in 60 days and 21 hours?HMNGOMEZ-USS Triton (SSRN-586)
Columbia completed the first shuttle mission to orbit and back successfully and landed on April 14, 1981
Willem Barentsz and his crew were some of the first recorded Europeans to discover Spitsbergen in 1596 during their search for the Northeast Passage.
Roald Amundsen in 1903-1906
Baron (Nils) Adolf Erik Nordenskiold became the first person to completely sail the North East Passage in 1878. However, it must be noted that other people had sailed parts of it before Nordenskiold. See the North East Passage in the Related Link for more information.
The Wright Brothers (Wilbur and Orville) successfully completed the first powered flight by a heavier-than-air vehicle in 1903. (see related link)