29
/de/
de
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
25926
2366
2
Erstellen
Public Timelines
Bibliothek
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
21 Dez 1999 Jahr - HTML and XML join forces to become XHTML 1.0 to enforce cleaner code (formed by W3C, World Wide Web Consortium)
Zugefügt zum Band der Zeit:
11 Sep 2017
0
0
333
New timeline
Datum:
21 Dez 1999 Jahr
Jetzt
~ 24 years ago