Timeline Climbing Of Cho Oyu

• 1952 First reconnaissance of north-west face by Edmund Hillary and party.
• 1954 First ascent by Austrians Joseph Jöchler and Herbert Tichy, and Pasang Dawa Lama (Nepal)
• 1958 Second ascent of the peak, by an Indian expedition. Sherpa Pasang Dawa Lama reached the peak for the second time. First death on Cho Oyu.
• 1959 Four members killed in an avalanche during a failed international women's expedition.
• 1964 Controversial third ascent by a German expedition as there is no proof of reaching the summit. Two mountaineers die of exhaustion in camp 4 at 7,600m (24,935 ft).
• 1978 Edi Koblmüller and Alois Furtner of Austria summit via the extremely difficult southeast face.
• 1983 Reinhold Messner succeeds on his fourth attempt, with Hans Kammerlander and Michael Dacher.
• 1985 On February 12, Maciej Berbeka and Maciej Pawlikowski make the first winter ascent (repeated three days later by Andrzej Heinrich and Jerzy Kukuczka).
• 1994 On May 13 Carlos Carsolio got the summit implementing a world record speed ascent from base camp, reached in 18 hours and 45 minutes.

• 1994 First solo ascent via the South West face by Yasushi Yamanoi.
• 2004 Second summit by double amputee (Mark Inglis)
• 2007 Second Indian ascent. Expedition led by Abhilekh Singh Virdi.
• 2011 Dutch climber Ronald Naar, known as the Netherlands most famous adventurer, dies after becoming unwell at 2400 metres (8000 feet)