Microsoft Operating Systems & Certification Release Dates
| 11-20-1985 | Windows 1.0 released |
| 05-22-1990 | Windows 3.0 released |
| 04-06-1992 | MCP program launched |
| 10-27-1992 | Windows for Workgroups 3.0 released |
| 05-24-1993 | Windows NT 3.1 released |
| 09-14-1993 | MCPS, MCSE, and MCT certifications announced |
| 09-21-1994 | Windows NT 3.5 released |
| 12-05-1994 | MCSD certification announced |
| 08-24-1995 | Windows 95 released |
| 09-03-1996 | Windows NT 4.0 released |
| 12-10-1996 | MCPS Internet Systems certification announced |
| 06-25-1998 | Windows 98 released |
| 12-11-1997 | MCSE+Internet certification announced |
| 06-01-1998 | MCP+Site Building certification announced |
| 11-16-1998 | MCDBA certification announced |
| 04-30-1999 | ATECs renamed to CTECs |
| 09-20-1999 | Windows 2000 MCSE certification track announced |
| 02-17-2000 | Windows 2000 released |
| 09-14-2000 | Windows Me released |
| 10-11-2001 | MCSA certification announced |
| 10-25-2001 | Windows XP released |
| 04-24-2003 | Windows Server 2003 |
(Source: MCP Magazine, May 2002 http://www.mcpmag.com)