1959 –United States Department of Defense
1960 -COBOL initial specifications presented by CODASYL (Conference on
Data Systems Languages)
1964 –BASIC COBOL extended to Visual COBOL
1968 –ANSI (American National Standards Institute) developed
American National Standard (ANS) COBOL
1974 –ANSI published revised version of (ANS) COBOL
–Business applications needed to manipulate character as well as numeric data
–String operations added
1985 –COBOL 85 Standards was introduced with revised version of COBOL-74.
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