This info deals with the history of HTML, the computer mark-up language that programmers and developers use to build websites. HTML5 took over from its predecessor, HTML4 in 2008 but is still under development. If you want to find out more about the history of HTML (and the internet in general), then this infographic has all the important events dated along a time line. Interestingly, this one also has various happenings in the world of celebrity included on the time line so that you can relate every event in the history of computers to something that was going on in the real world at that time.