21 May

Born on this day

1953 Nicolai Petrov, Russian climber, who ascended Annapurna I in 1991.
1957 Kunihide Takata, Japanese climber, who ascended Cho Oyu in 2003, Everest in 2009 and Manaslu in 2010.
1957 Martin Doyle, British climber, who ascended Everest in 1999.
1957 Mark Tucker, American climber, who ascended Everest in 1990.
1959 Matevž Lenarčič, Slovenian climber, who ascended Broad Peak in 1986.
1959 Philippe Robin der Arslanian, French climber, who ascended Lhotse in 2009.
1961 Roman Dzida, Polish climber, who ascended Everest in 2007.
1964 Pablo Rozas, Spanish Basque climber, who ascended Broad Peak Foresummit in 1999.
1964 Fritz Klausner, Austrian climber, who ascended Everest in 2004.
1966 Gavin Bate, Northern Irish climber, who ascended Cho Oyu in 1998 and Everest in 2011.
1967 Ang Pasang V, Nepalese Sherpa climber, who ascended Everest in 2002 and Cho Oyu in 2004.
1967 Lorrance Brooks Entwistle, American climber, who ascended Cho Oyu in 2016 and Everest in 2017.
1968 Nasuh Mahruki, Turkish climber, who ascended Everest twice (1995 and 2010), Cho Oyu in 1997, Lhotse in 1998 and K2 in 2000. He also finished the Kosciuszko-version of the Seven Summits in 1996.
1969 Eric Alexander, American climber, who ascended Everest in 2001.
1971 Sange III, Nepalese Sherpa climber, who ascended Lhotse twice (2009 and 2011) and Everest three times (2013, 2016 and 2018).
1972 Aleksei Safonov, Russian climber, who ascended Manaslu in 2017 and Everest in 2018.
1974 Pasang Tshering IV, Nepalese Sherpa climber, who ascended Everest twice (2001 and 2004).
1975 Lhakpa Nuru VIII, Nepalese Sherpa climber, who ascended Everest in 2007. He died in 2009 on Everest, aged 33.
1977 Ralph Max Schweizer, Swiss (also Australian) climber, who ascended Lhotse in 2013.
1977 Man Raj Gurung, Nepalese climber, who ascended Everest in 2025.
1978 Sanna Mari Raistakka, Finnish lady climber, who ascended Manaslu in 2018.
1980 Ali Torkan, Iranian climber, who ascended Everest in 2025.
1981 Aaron Fisher Mainer, American climber, who ascended Everest in 2013.
1985 Dzeitor Magomed, Russian climber, who ascended Everest in 2017.
1989 Ngima Ongchhu, Nepalese Sherpa climber, who ascended Everest in 2025.
1990 Yoram Thing, Nepalese climber, who ascended Manaslu M in 2025.
1991 Ngawang Kalden, Nepalese Sherpa climber, who ascended Everest twice (2011 and 2012) and Manaslu in 2011.
1996 Georges Abou-Rjeili, Canadian climber, who ascended Everest in 2023.
1997 Pemba Gelu, Nepalese Sherpa climber, who ascended Everest twice (2024 and 2025).
2001 Pemba Gyalchhen, Nepalese Sherpa climber, who ascended Everest twice (2024 and 2025).

First ascents on this day

1910 Sentinel Peak (6490 m) by a British party.
1937 Chomolhari (7326 m) by another British party.
2005 Chomo Lönzo Central (7565 m) by a French party.

Gone on this day

1987 Roger Marshall, Canadian climber, who ascended Kangchenjunga in 1984, died on Everest, aged 45.
2000 Yan Geng-hua, Chinese climber, who ascended Everest on this day and died on descent, aged 41.
2005 Marko Lihteneker, Slovenian climber, who ascended Everest on this day and died on descent, aged 35.
2007 Pemba Doma, Nepalese Sherpani, who ascended Everest twice (2000 and 2002), Cho Oyu in 2005 and Lhotse on this day, where she died by a fall on descent, aged 36.
2009 Frank Ziebarth, German climber, who ascended Cho Oyu in 2005, Shisha Pangma Central-Peak in 2006, Lhotse in 2008 and Everest without bottled oxygen on this day. He died on descent, aged 29.
2013 Park Nam-Soo, Korean climber, who ascended Kangchenjunga in 2013 and died on descent, aged 46.
2013 Phu Dorchi I, Nepalese Sherpa climber, who ascended Kangchenjunga and Manaslu in 2011, Everest in 2012 and Kangchenjunga again in 2013, where he died on descent, aged 31.
2013 Seo Sung-Ho, Korean climber, who ascended Everest twice (2006 and 2013), Makalu and Lhotse in 2008, Manaslu and Dhaulagiri I in 2009, Kangchenjunga, Nanga Parbat and Shisha Pangma in 2010 and Annapurna I, Gasherbrums I and II and Cho Oyu in 2011. He died after he ascended Everest without additional oxygen, aged 33.
2013 Bibas Gurung, Nepalese climber, who ascended Shisha Pangma in 2010, Lhotse in 2011 and Kangchenjunga in 2013, where he died on descent, aged 24.
2013 Zsolt Erőss, Hungarian climber, who ascended Nanga Parbat in 1999, Disteghil Sar in 2000, Everest in 2002, Gasherbrum II in 2003, Dhaulagiri I in 2006, Gasherbrum I and Broad Peak in 2007, Makalu in 2008, Manaslu in 2009, Lhotse in 2011 and Kangchenjunga in 2013, where he died on descent, aged 45.
2013 Peter Kiss, Hungarian climber, who ascended Kangchenjunga in 2013, where he died on descent, aged 26.
2017 Vladimír Štrba, Slovak climber, who ascended Cho Oyu in 1997, died on Everest, aged 48.
2018 Nobukazu Kuriki, Japanese climber, who ascended Cho Oyu in 2007, Manaslu in 2008, Dhaulagiri I in 2009 and Broad Peak in 2014, died on Everest, aged 35.