Lenguaje de Marcas - 1º ASIR By ruien Sep 13, 1968 GML IBM Sep 13, 1970 XML W3C Sep 13, 1978 TeX Donald Knuth Sep 13, 1980 HTML W3C Sep 13, 1982 POSTSCRIPT John Warnock, Charles Geschke, Doug Brotz, Ed Taft, Bill Paxton Sep 13, 1984 LaTex Leslie Lamport Sep 13, 1986 SGML ISO 8879 Sep 13, 1992 PDF John Warnock ,Adobe Systems Sep 13, 1996 CSS W3C Sep 13, 2000 XHTML W3C