2. 1922, the second British Everest climbing team (captain Gilbert) still took the route of the northern slope of Tibet. They crossed the northern depression, but when they reached the height of 8225 meters, they failed because of seven deaths.
3. 1924, the third British Everest climbing team (Captain F. Norton) was still climbing from the north slope of Mount Everest in China. Norton and others were forced to go down the mountain because of lack of oxygen when they reached 8572 meters below the "second step" on the north slope. Team members Mallory and Abin kept going and never came back.
4. 1933, the British mountaineering team (Captain Herr Lutoleggi) composed of 16 people still used the route on the northern slope of Tibet in China, but it also failed. When team members Wen Harris and weigel reached an altitude of 8,570 meters, the ice cone of Mallory, a member of the British Everest mountaineering team, was found at 1924, which was confirmed.
5. 1934, an Englishman, Mi Wilson, climbed the mountain alone with a light plane. As a result, the plane was damaged near Kampo Glacier, and he was slightly injured. Later, he hired some local Sherpas to help him climb the mountain, but after a storm, he froze to death on the glaciers in East Russia.
6. 1935, the British Everest expedition consisting of seven people (captain Shipton) only detected the elevation of the northern slope of Mount Everest in Tibet at 7000m, that is, the elevation near the northern depression, and returned.
7. 1936, the British Everest mountaineering team (captain Herr Luto Lequi) consisting of ten people reached the northern depression at an altitude of 7007 meters and returned [Note: the northern depression was 7007 meters before, and the exact height calculated by the China mountaineering team in 1975 was 7050 meters].
8. 1938, the British Everest team composed of seven people (captain Ge Dielmann) still climbed from the northern slope of China, but failed after reaching an altitude of 8,290 meters.
9. 1947, climbing Mount Everest for the first time after World War II, Canadian Le Dian Man hired some local mountain residents as porters, and still walked on the northern slope of China, not exceeding 6,400 meters above sea level, and finally failed to return.
The above nine activities to climb Mount Qomolangma all started from Tibet, China, and were unsuccessful.
After 1950, Tibet is liberated, and Tibet, located in the southwest frontier, will no longer allow foreign mountaineering teams to carry out mountaineering activities at will. Since then, foreign mountaineering teams have changed to climb Mount Everest from the southern slope of Nepal.
10, 1950, the mountaineering team composed of American Dick Houston and others tried to climb Mount Everest from the southern slope of Nepal for the first time, and only reached the vicinity of the ice explosion area on the Kampot Glacier at an altitude of 6 100 meters, and then returned.
1 1, 1950, a five-member British mountaineering team (captain Ge Dielmann) claimed in advance that it was a reconnaissance team that climbed Mount Qomolangma from the south slope and returned after reaching the vicinity of Kumbu Glacier at an altitude of 5,480 meters.
At 12, 195 1, the British mountaineering team headed by Shipton consisted of seven people. They only climbed a section of Kambu Glacier and returned at an altitude of 6450 meters.
13 years, 195 1 year, a Dane named Kebeka Larsen illegally and secretly crossed the border into Tibet. He planned to climb Mount Qomolangma from the north slope, but he failed without crossing 6500 meters above sea level.
14, 1952 In May, a ten-member Swiss mountaineering team led by captain Le dietmar climbed Mount Everest from the southern slope of Nepal. After reaching an altitude of 8540 meters above sea level, team member Le ranbir and their hired porter Tengxin from Nepal failed due to bad weather, but they created a route from the south slope of Mount Everest to the summit.
15, 1952, 10 In June, the Swiss mountaineering team climbed Mount Everest from the south slope for the first time in autumn, that is, after the rainy season in the Himalayas. In the spring of the same year, player Le ranbir was a member of the Swiss team. Team members En Gyllenfort and Nepalese teng letter, who were employed in the spring, reached an altitude of 8 100 meters, and failed again due to bad weather.