Q: Passage: Sir Edmund Percival Hillary KG ONZ KBE OSN (20 July 1919 -- 11 January 2008) was a New Zealand mountaineer, explorer, and philanthropist. On 29 May 1953, Hillary and Nepalese Sherpa mountaineer Tenzing Norgay became the first climbers confirmed to have reached the summit of Mount Everest. They were part of the ninth British expedition to Everest, led by John Hunt.\n\nQuestion: Based on this passage, when did the first person climb mt everest?
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The relevant information is: On 29 May 1953, Hillary and Nepalese Sherpa mountaineer Tenzing Norgay became the first climbers confirmed to have reached the summit of Mount Everest. So the answer is 29 May 1953.
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