12 January

Born on this day

1939 Yuichi Ozaki, Japanese climber, who ascended Makalu in 1970.
1944 Hideo Amano, Japanese climber, who ascended Cho Oyu in 2007.
1947 Ernst Schwarzenlander, Austrian climber, who ascended Cho Oyu and Shisha Pangma Central-Peak in 1994.
1954 Eric Decamp, French climber, who ascended Kumbhakarna (aka Jannu) in 1987, Cho Oyu in 1988 and Everest in 1990.
1955 Yuri Uteshev, Russian climber, who ascended Dhaulagiri I in 1995, Makalu in 1996, Lhotse in 1997, Everest in 2001 and Cho Oyu in 2005. He died on K2 in 2006, aged 51.
1955 Loh Khee-Lian (Vincent), Malaysian climber, who ascended Everest in 2006.
1958 Aleksandr Sheinov, Russian climber, who ascended Kangchenjunga and Yalung Kang in 1989. He died in 1992, aged 34.
1966 René Walter Mathis, Swiss climber, who ascended Cho Oyu in 2014.
1968 Cándido Puyal, Spanish Aragonese climber, who ascended Cho Oyu in 2003.
1968 Mark Anthony McGuire Dickson, British climber, who ascended Everest in 2012.
1970 Zi Bei-Lei, Chinese climber, who ascended Everest in 2016.
1970 Jonathan Michael Wood, British climber, who ascended Everest in 2017.
1976 Gilian Kit Wai Lee, Australian climber, who ascended Manaslu RP in 2015.
1977 Subarna Gurung, Nepalese climber, who ascended Everest in 2017.
1978 Robert Kojetin, South African climber, who ascended Everest in 2009.
1978 Salman Ateeque, Pakistani climber, who ascended Manaslu M in 2025.
1979 Sangbu Lama, Nepalese climber, who ascended Everest twice (2017 and 2018), Manaslu RP in 2019, Lhotse in 2022 and Manaslu M in 2024.
1980 Lakpa Gelu, Nepalese Sherpa climber, who ascended Everest five times (2018, 2019, 2022, 2023 and 2024).
1986 Ayako Imoto, Japanese lady climber, who ascended Manaslu RP in 2013.
1986 Jelle Veyt, Belgian climber, who ascended Everest in 2016.
1986 Niels Jespers, Belgian climber, who ascended Nanga Parbat in 2018 and Broad Peak and K2 in 2021.
1995 Ben Veres, American climber, who ascended Cho Oyu in 2019 and Everest in 2021.
1996 Dawa Tseten Bhutia, Nepalese climber, who ascended Everest in 2025.
1998 Dev Bhote, Nepalese Bhutia climber, who ascended Everest in 2025.

Event on this day

1984 First winter ascent of Manaslu M by Polish climbers Maciej Berbeka and Ryszard Gajewski.

First ascent on this day

1964 Gorra Blanca (2860 m) by an Argentinian party.

Gone on this day

2009 Arne Naess (sr.), Norwegian pioneer and philosopher, who led the successful expeditions to Tirich Mir in 1950, where he also was one of the first ascenders, and Tirich Mir East in 1964, died, aged 96.
2016 Kazimierz Waldemar Olech, Polish climber, who participated in the first ascents of Kangbachen (7903 m) in 1974 and Kangchenjunga Central-Peak (8482 m) in 1978, died, aged 87.