The first recorded successful ascent of an eight-thousander was by the French Maurice Herzog and Louis Lachenal, who reached the summit of Annapurna on 3 June 1950 during the 1950 French Annapurna expedition . The first winter ascent of an eight-thousander was done by a Polish team led by Andrzej Zawada on Mount Everest. Two climbers Leszek Cichy and Krzysztof Wielicki reached the summit on 17 February 1980.