A Chronology of Influential Computer Languages
Konrad Zuse in Nazi Germany may have developed the first real computer programming language, "Plankalkul" ca. 1945. This is mentioned in the 1978 ACM History of Programming Languages FORTRAN session.
According to Sammet, over 200 programming languages were developed between 1952 and 1972, but she considered only about 13 of them to be significant.Here's a chronological list of computer languages that we consider to have had the most influence.