Tomasz Mackiewicz to summit Nanga Parbat in winter. While climbing with Klonowski in 2015, he reached a height of and in 2016, along with the French climber Élisabeth Revol, he reached an altitude of on Nanga Parbat. On January 25, 2018, while attempting his seventh winter ascent of Nanga Parbat, known as the "Killer Mountain", in Pakistan, at , Mackiewicz along with French climber Elisabeth Revol had reached the summit from the Diamer side. At the summit Revol noticed Mackiewicz's bad condition and started taking him down. According to Revol, he could not walk, see or even communicate and was bleeding profusely
Cho Oyu border influenced Shipton to retreat from the mountain rather than continue to attempt to summit. The mountain was first climbed on October 19, 1954, via the north-west ridge by Herbert Tichy, Joseph Jöchler and Sherpa Pasang Dawa Lama of an Austrian expedition. Cho Oyu was the fifth 8000 metre peak to be climbed, after Annapurna in June 1950, Mount Everest in May 1953, Nanga Parbat in July 1953 and K2 in July 1954. Until the ascent of Mount Everest by Reinhold Messner and Peter Habeler in 1978, this was the highest peak climbed without supplemental oxygen. Cho Oyu is considered