The British Everest Expedition refers to a series of climbing attempts on Mount Everest, the world's highest peak, primarily during the mid-20th century. Notable expeditions include the successful ascent in 1953, led by John Hunt, which saw Sir Edmund Hillary and Tenzing Norgay become the first climbers to reach the summit. These expeditions were significant in the history of mountaineering, showcasing advancements in climbing techniques and equipment. The 1953 success sparked global interest in Everest and inspired future generations of climbers to attempt the challenging ascent of this iconic mountain.