1952 Jan Conn and Jane Showacre climb Devil's Tower, the twosome claiming the first manless ascent.
1970 A Japanese team climbs Annapurna III, making it the first high peak to be climbed by an all woman team.
1970 Wanda Rutkiewicz leads a group up Gasherbrum 2, the highest unclimbed peak at the time.
1973 Bev Johnson and Sibylle Hechtel complete first women's climb on El Cap.
1975 On May 16, 1975, leading an all-female Japanese expedition, Junko Tabei of Japan becomes the first woman to reach the top of Mount Everest, the world's highest mountain.
1978 Swiss Alpine Club accepts its first female member.
1979 Lynn Hill climbs 5.12c/d, the hardest rating climbed by a woman at the time.
1979 Lynn Hill climbed Ophir Broke in Colorado, considered the most challenging climb ever completed by a woman at that time.