A collection of very old photos of some of the Himalayas (not Everest):
https://www.bbc.co.uk/news/articles/c8edg6n5xp3o
The first successful attempt to reach the summit of K2 (second only to Everest in height) was on 31 July 1954 and of Kanchenjunga (third highest) on 25 May 1955.