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First undisputed surface journey to the North Pole

First undisputed surface journey to the North Pole
Who
Ralph Plaisted, Jean-Luc Bombardier , Gerald Pitzl , Walter Pederson
What
First
Where
Not Applicable (North Pole)
When
19 April 1968

The earliest indisputable attainment of the North Pole by surface travel over the sea-ice took place at 3 p.m. (Central Standard Time) on 19 April 1968, when expedition leader Ralph Plaisted (USA), accompanied by mechanic Walter Pederson (USA), navigator Gerald Pitzl (USA) and snowmobile manufacturer Jean-Luc Bombardier (Canada), reached the pole after a 42-day trek using snowmobiles.