I'm trying to find out and capture the version history of ColdFusion. If you know any milestone dates let me know and I'll update this entry.

Allaire formed - 1994 ?????
10 Jul 1995 - Version 1.0 released
6 Feb 1996 - Version 1.5 released
Nov 1996 - Version 2.0 released
Jul 1997 - Version 3.0 released
Nov 1997 - Version 3.1 released
Nov 1998 - Version 4.0 released
Nov 1999 - Version 4.5 released
16 Jan 2001 - Macromedia and Allaire merge
11 Jun 2001 - Version 5.0 released
29 May 2002 - MX 6.0 version released
5 Aug 2003 - MX 6.1 version released
6 Feb 2005 - MX 7.0 version released
18 Apr 2005 - Adobe acquire Macromedia
27 Sep 2005 - MX 7.0.1 updater released
28 Jun 2006 - MX 7.0.2 updater released
28 Jun 2006 - Flex 2 released
30 July 2007 - ColdFusion 8 released
25 February 2008 - Flex 3 released
3 April 2008 - ColdFusion 8.0.1 updater released
5 October 2009 - ColdFusion 9.0 released
22 March 2010 - ColdFusion Builder 1.0 released
13 July 2010 - ColdFusion 9.0.1 released
14 May 2012 - ColdFusion 10.0 released
29 April 2014 - ColdFusion 11.0 released

To view some historic web pages... http://web.archive.org/web/*/http://www.allaire.com

A Conversation With Jeremy Allaire ColdFusion Timeline 10th Birthday events and Steven Erat has some historic links on his blog and Jeremy Allaire has recorded his memories.