Twenty years ago today (April 30, 2013), physicists at CERN opened the World Wide Web to everyone with a simple web page. The actual page is long gone, but CERN has recreated it here in honor of the 20th anniversary. The Washington Post Tech Section highlighted the Anniversary by saying:
The Web site itself isn’t much to look at — just a rundown of the product that includes a look at its development history, instructions of how to create your own pages and technical information about the World Wide Web — but it laid the groundwork for an estimated 630 million Web sites to come in the next 20 years, CERN said in a blog post. – Hayley Tsukayama, The Washington Post.
You can read the entire Washington Post article here.