Pinpointing the "initially" programming language is tricky as a consequence of varying definitions. Ada Lovelace's 1843 algorithm for Charles Babbage's Analytical Motor is usually credited, though it was not executed on a true machine. The very first device-executed languages emerged during the 1940s, with Limited Code (1949) and Plankalkül (1943-1945) https://blog.hellomybd.com/the-first-programming-language/