Internet Explorer 6.0

Less than two months before the official release of the Windows XP operating system, Microsoft released Internet Explorer 6.0 . IE 6 was integrated into Windows XP  and was also compatible with previous versions of the system down to Windows 98. Despite a significant amount of security flaws and lack of support for web standards, Internet Explorer 6.0 gained more than 80% market share in 2004 . Together with earlier versions of IE 5.0 and IE 5.5, the proportion of Internet Explorer browsers in 2004 was more than 90%.

2001/07/27

https://www.livescience.com/20727-internet-history.html