https://kids.guinnessworldrecords.com en

First ascent of K2 without supplementary oxygen

First ascent of K2 without supplementary oxygen
Who
Louis F Reichardt
What
First
Where
Pakistan
When
06 September 1978
Louis F Reichardt (USA) climbed K2 on the border of Pakistan and China without supplementary oxygen on 6 September 1978. At 8,611 m (28,251 ft), K2 is the second-highest mountain in the world; it was first ascended in 1954, by an Italian team.