Pinpointing the "1st" programming language is tricky due to varying definitions. Ada Lovelace's 1843 algorithm for Charles Babbage's Analytical Motor is commonly credited, though it was not executed on an actual equipment. The very first equipment-executed languages emerged from the 1940s, with Small Code (1949) and Plankalkül (1943-1945) getting noteworthy https://blog.hellomybd.com/the-first-programming-language/