Seven years ago, Mozilla 1.0 was launched:
Mozilla.org, the organization that coordinates Mozilla open-source development and provides services to assist the Mozilla community, today announced the release of Mozilla 1.0, the first major-version public release of the Mozilla software. A full-fledged browser suite based on the latest Internet standards as well as a cross-platform toolkit, Mozilla 1.0 is targeted at the developer community and enables the creation of Internet-based applications. Mozilla 1.0 was developed in an open source environment and built by harnessing the creative power of thousands of programmers and tens of thousands of testers on the Internet, incorporating their best enhancements.
On Open Enterprise blog.