IBM 370 Assembler, also known as BAL (mainframe land) for an online system running under ACP/TPF. ACP stands for Airline Control Program, or Almost a Control Program as we all called it. This was in '81.

Hmmm. This looks to be a Power-ful example for making a case for compiler localization: if you want an executable for say Tagalog, just change your display language in VS and re-compile. The compiler would pull in different rules for name construction based on Phillipine conventions. Then voila! You have no need to re-write your logic.