Complex sentence: After notable feats such as the first ascent of Nun (7,135 m (23,409 ft)), she died in October 1959 while leading a women-only expedition to climb Cho Oyu.
Split into simpler sentences: After notable feats such as the first ascent of Nun (7,135 m (23,409 ft)). She died in October 1959 while leading a women-only expedition to climb Cho Oyu.