As someone already said in this thread, the Internet already exists for a couple of decades (I believe it started somewhere in the Sixties). However, the World Wide Web only exists since the early Nineties.
BTW, this is a great page on the history of the Usenet:
20 Year Archive on Google Groups
Here, Google has indexed some memorable posts. From the first post in their archive, to the first "Me too!" post (February 1983, apparently). And this one always gives me a small chuckle: The first post mentioning Star Wars III (or rather, Episode 6, Return Of The Jedi) from June 1982.
Oh boy! Was/Is he in for a long wait...