I forgot Lua and PHP; I also didn't think of Ada. So, for whatever kind of completeness, here are some more: 1975 (39) Modula 1988 (26) TCL 1977 (37)

I forgot Lua and PHP; I also didn't think of Ada. So, for whatever kind of completeness, here are some more: 1975 (39) Modula 1988 (26) TCL 1977 (37) Ada [1] 1990 (24) J 1977 (37) Icon 1993 (21) Lua 1985 (29) Miranda 1994 (20) Pike 1986 (28) Oberon 1995 (19) PHP 1987 (27) Clean 2002 (12) Io 1987 (27) Self [1] according to crag I don't know birth dates for these: Agda, ATS, Felix, Idris (I'm ignoring languages that are used only in a particular context, like R, shells, proof assistants; I made an exception for TeX and PostScript as these seemed particularly important.)