Jamie Zawinski on the 30-year anniversary of the Netscape 0.9 release:

According to my notes, it went live shortly after midnight on Oct 13, 1994. We sat in the conference room in the dark and listened to different sound effects fired for each different platform that was downloaded. At some point late that night I wandered off and wrote the first version of the page that loaded when you pressed the “What’s Cool” button in the toolbar.