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Lots of programming languages were developed IN the US or BY US citizens, but there are no languages that were developed BY the US as a whole.
1996
Microsoft
The firs't successful programming language was Fortran desgined by John Backus in 1957.
C++, Java
James gosling...
Chuck Esterbrook
programming languages B and BCPL which was used to derive C
MySQL was written and developed using the C and C++ programming languages.
That would be the "Ada" programming language.
In C language Oracle is developed and after that enhancement is done in Java for 10g and 11g
She was one of the first programmers of the Harvard Mark 1 and she developed the first compiler for a computer programming language. She developed COBOL the first independent programming language.