C Programming Language Version History

1969 and 1973 at Bell Labs

Version	Standard	Publication Date
K&R	n/a	1978-02-22
C89	ANSI X3.159-1989	1989-12-14
C90	ISO/IEC 9899:1990	1990-12-20
C95	ISO/IEC 9899/AMD1:1995	1995-03-30
C99	ISO/IEC 9899:1999	1999-12-16
C11	ISO/IEC 9899:2011	2011-12-15