Pinpointing the "1st" programming language is difficult as a consequence of various definitions. Ada Lovelace's 1843 algorithm for Charles Babbage's Analytical Motor is often credited, nevertheless it was not executed on a real equipment. The very first equipment-executed languages emerged from the 1940s, with Shorter Code (1949) and Plankalkül (1943-1945) https://blog.hellomybd.com/the-first-programming-language/