Pinpointing the "1st" programming language is hard resulting from varying definitions. Ada Lovelace's 1843 algorithm for Charles Babbage's Analytical Motor is often credited, while it wasn't executed on a true device. The 1st machine-executed languages emerged during the 1940s, with Short Code (1949) and Plankalkül (1943-1945) staying noteworthy early examples. https://blog.hellomybd.com/the-first-programming-language/