wired:

August 7, 1991: The World Wide Web becomes publicly available on the internet for the first time.

The web has changed a lot since Tim Berners-Lee posted, on this day, the first webpages summarizing his World Wide Web project, a method of storing knowledge using hypertext documents. In the months leading up to his post, Berners-Lee had developed everything necessary to make the web a reality, including the first browser and server.

Read more about the beginnings of the WWW you’ve grown so fond of typing, @ This Day in Tech.