| Version | Year |
|---|---|
| Tim Berners-Lee invented www | 1989 |
| Tim Berners-Lee invented HTML | 1991 |
| Dave Raggett drafted HTML+ | 1993 |
| HTML Working Group defined HTML 2.0 | 1995 |
| W3C Recommended HTML 3.2 | 1997 |
| W3C Recommended HTML 4.01 | 1999 |
| W3C Recommended XHTML 1.0 | 2000 |
| HTML5 WHATWG First Public Draft | 2008 |
| HTML5 WHATWG Living Standard | 2012 |
| HTML5 W3C Final Recommendation | 2014 |