Mount Everest
Ascent history
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 of Mount Everest via the Tibetan north side by a Chinese expedition
First ascent of the west ridge and the Hornbein Couloir and then the first traverse of Mount Everest by an American expedition
First ascent of Mount Everest without the use of artificial oxygen by Reinhold Messner and Peter Habeler
First winter ascent on the southern route through the Poles Leszek Cichy and Krzysztof Wielicki
First solo ascent of Mount Everest through the northern flank by Reinhold Messner
First serious accident of a commercial expedition, from which the classic "Into thin air" by Jon Krakauer emerged
Hans Kammerlander manages the first ski descent from Mount Everest by the north side of the mountain
One of the worst accidents in the history of Mount Everest to date: an avalanche kills 16 Sherpas in the Khumbu Icefall