Question: Which was climbed first Nangpai Gosum or Dhaulagiri?

Context paragraphs:
Martin Minařík: Martin Minařík (27 November 1967 – April 2009) was a Czech mountaineer.  He started climbing at the age of 16 in Hostýnské vrchy and later at the Tatra Mountains.  In 1999 he climbed his first eight-thousander Manaslu.  Later he climbed six more: Kangchenjunga (2002), Broad Peak (2003), Shishapangma (2004), Cho Oyu (2005), Lhotse (2007) and Dhaulagiri (2008).  He died during a descent of Annapurna.

Valery Khrichtchatyi: Valery Nikolaevich Khrichtchatyi (Russian: Валерий Никола́евич Хрищатый ; born December 23, 1951, Alma-Ata, Kazakhstan – died August 4, 1993, Khan-Tengri, Tien-Shan, Kazakhstan) was a mountaineer from Kazakhstan.  He made more than forty ascents above 7,000 meters (23,000 feet), including a string of hard winter firsts in the Pamirs and Tien Shan.  He climbed Everest by a new south pillar route, Kanchenjunga without oxygen and with only one bivouac, and a new route on the west side of Dhaulagiri (8,172 meters).

Dhaulagiri: The Dhaulagiri massif in Nepal extends 120 km from the Kaligandaki River west to the Bheri.  This massif is bounded on the north and southwest by tributaries of the Bheri River and on the southeast by Myagdi Khola.  Dhaulagiri I is the seventh highest mountain in the world at 8167 m above sea level.  It was first climbed on May 13, 1960 by a Swiss/Austrian/Nepali expedition.

Piotr Morawski: Piotr Morawski (December 27, 1976 – April 8, 2009) was a Polish mountaineer.  He was best known for making the first successful winter ascent together with Simone Moro of Shishapangma on January 14, 2005.  Morawski died aged 32 during an international Dhaulagiri/Manaslu expedition in Nepal.  He fell into a crevasse at an elevation of 5500 m while acclimatizing.

Nangpai Gosum: Nangpai Gosum is a mountain in the Himalayas.  It lies on the border between Nepal and China.  The first ascent to the summit was a Japanese expedition on October 12, 1986.

Doychin Vasilev: Doychin Vasilev (Bulgarian: Дойчин Василев , born June 12, 1944 in Sofia) is a Bulgarian alpinist and cinematographer who has climbed five Himalayan 8,000 m peaks: Dhaulagiri (in 1995), Mount Everest (1997), Makalu (1998), and Shishapangma and Cho Oyu (1999).  President of Alpine Club Vihren, Sofia.  Participant in the Bulgarian Antarctic expedition Tangra 2004/05, noted by Discovery Channel as a timeline event in Antarctic exploration.

Nangpai Gosum Glacier: Nangpai Gosum Glacier is a glacier located 25 km west northwest of Mount Everest in the Himalayas of Nepal.  It is located at lat 28°02′N., long 86°36′E.  The ice-core drilling site is situated at 5,700 m above mean sea level.  In 1998, a 37-m ice core was extracted from the glacier by Cameron P. Wake of the University of New Hampshire and transported to the university for analysis.  At the request of the USGS study team, radionuclide analyses were performed for 36Cl and 137Cs on selected sections of the ice core by Hans-Arno Synal at the Paul Scherrer Institut (PSI) in Villigen, Switzerland.

Andrzej Czok: Andrzej Czok (November 11, 1948 – January 11, 1986) was a Polish mountaineer best known for the first winter ascent of Dhaulagiri on January 21, 1985 with Jerzy Kukuczka and for the first ascent of Mount Everest through South Pillar in 1980 (new route also with Jerzy Kukuczka).  He died while making a winter attempt on Kangchenjunga.

Royal Arches Route: The Royal Arches Route is a technical climbing route in California's Yosemite Valley on the Royal Arches wall.  The route is recognized in the historic climbing text "Fifty Classic Climbs of North America".  The route was first climbed Oct. 1936 by Ken Adam, Morgan Harris, K. Kenneth Davis.  The route is moderate in difficulty and is frequently climbed.  The first 4 pitches are along a west facing dihedral.  At Pitch 5, the route turns north and ascends the main face along crack systems.  Pitch 10 can be free climbed at 5.10b however, most climbers use a fixed rope to pendulum to a long ledge.  At the end of Pitch 15, begins the bolted rappel route.  It is 18 rappels to the Valley floor.  Some climbers prefer to continue to "The Jungle" at the end of Pitch 16.  Beyond The Jungle is a 5.4 slab and 4th Class scrambling to the Valley Rim.  The descent is usually accomplished by traversing northeast to Washington Column and descending the exposed North Dome Gully.

Andrew Lock: Andrew James Lock OAM (born 26 December 1961) is an Australian mountaineer.  He completed his personal mountaineering project to be the first Australian to climb all 14 "eight-thousanders" (peaks over 8,000 metres above sea level) in October 2009.  He has climbed all fourteen 8,000m peaks, with 18 personal 8,000 metre summits, having climbed several twice.  Lock also has climbed to both summits of Shishapangma (most climb to the false summit and only very few have completed the 14 x 8,000m by climbing to the true summit of Shishapangma).  Lock is currently an ambassador of Sir David Martin Foundation.

Supporting paragraphs: Nangpai Gosum Dhaulagiri
Answer: Dhaulagiri