Timeline Climbing Of Gasherbrum I

• 1934 - A large international expedition, organized by the Swiss G.O. Dyhrenfurth, explores Gasherbrum I and II. Two climbers get to 6,300 m/20,650 ft.
• 1936 - A French expedition gets to 6,900 m/22,630 ft.
• 1958 - An American team makes the first ascent.
• 1975 - Reinhold Messner and Peter Habeler reach the summit on a new route (northwest route) in pure alpine style (first time on an 8000 metre peak) taking 3 days total. One day later, three Austrians from a different expedition led by Hanns Schell reach the summit on the American route.
• 1977 - The fourth successful ascent by two Slovenians (Nejc Zaplotnik and Andrej Stremfelj), again on a new route.
• 1980 - A French expedition is successful with the 5th ascent and pass the south ridge for the first time.

• 1981 - Japanese have the 6th successful ascent.
• 1982 - G. Sturm, M. Dacher and S. Hupfauer of a German expedition summit via a new route on the north face. In the same year, French Marie-José Valençot is the first woman who reaches the summit. Her husband, Sylvain Saudan from Switzerland performs the first ski descent from the top of an 8000 metre peak to base camp.
• 1983 - Jerzy Kukuczka with Wojciech Kurtyka, new route. Alpine style ascent without the aid of oxygen.
• 1983 - Teams from Switzerland and Spain are successful.
• 1984 - Reinhold Messner and Hans Kammerlander traverse Gasherbrum II and Gasherbrum I without returning to base camp in between
• 1985 - Solo ascent by Benoît Chamoux.
• 2003 - 19 people reach the summit, 4 deaths, including Mohammad Oraz.