Pinpointing the "to start with" programming language is hard because of varying definitions. Ada Lovelace's 1843 algorithm for Charles Babbage's Analytical Motor is frequently credited, though it was not executed on an actual equipment. The very first device-executed languages emerged in the 1940s, with Small Code (1949) and Plankalkül (1943-1945) https://blog.hellomybd.com/the-first-programming-language/