1978 & ndash ; First ascent of Mount Everest without supplemental oxygen , by Reinhold Messner and Peter Habeler .
1978 - Reinhold Messner and Peter Habeler reach the top of Mt. Everest without Oxygen supplies , becoming the first people to do so .
1978 - Reinhold Messner and Peter Habeler reach the top of Mt. Everest without Oxygen supplies , becoming the first people to do so .
简化这段文字: 1978 & ndash ; First ascent of Mount Everest without supplemental oxygen , by Reinhold Messner and Peter Habeler . 输出: