Mount Everest
Ascent history

Mallory and Irvine
Mount Everest first ascent

George Mallory and Andrew Irvine have an accident while attempting to climb Everest. It remains unclear to this day whether they reached the summit

First ascent by Edmund Hillary and Tenzing Norgay

First ascent of Mount Everest by Edmund Hillary and Tenzing Norgay from the Nepalese south side

First ascent from the north
Everest Tibet

First ascent of Mount Everest via the Tibetan north side by a Chinese expedition

First traverse
Mount Everest

First ascent of the west ridge and the Hornbein Couloir and then the first traverse of Mount Everest by an American expedition

First ascent without oxygen
Mount Everest

First ascent of Mount Everest without the use of artificial oxygen by Reinhold Messner and Peter Habeler

First winter ascent
Khumbu Icefall

First winter ascent on the southern route through the Poles Leszek Cichy and Krzysztof Wielicki

First solo ascent
Everest Tibet

First solo ascent of Mount Everest through the northern flank by Reinhold Messner

Tragic accident
Everest normal route

First serious accident of a commercial expedition, from which the classic "Into thin air" by Jon Krakauer emerged

First ski descent
Everest ski descent

Hans Kammerlander manages the first ski descent from Mount Everest by the north side of the mountain

Avalanche accident
Avalanche

One of the worst accidents in the history of Mount Everest to date: an avalanche kills 16 Sherpas in the Khumbu Icefall

Earthquake

A severe earthquake in Nepal triggers an avalanche that devastates Everest base camp. 18 climbers are killed