Timeline

Below is a timeline of Doom-related events.

Before 1993

 * October 28, 1967 - John Romero is born
 * August 20, 1970 - John Carmack is born
 * December 14, 1990 - The first episode of Commander Keen (Marooned on Mars) is released
 * February 1, 1991 - id Software is officially formed
 * May 5, 1992 - Wolfenstein 3D is released

1993

 * April 2 - Doom 0.4 alpha released privately
 * May 22 - Doom 0.5 alpha released privately
 * December 10 - Doom 0.99 shareware is released

1994

 * January 15 - Heretic is released
 * January 26 - The first version of the Doom Editing Utilities is released
 * March 7 - The first public third-party PWAD is released
 * September 30 - Doom II is released

1995

 * April 30 - Ultimate Doom is released
 * October 30 - Hexen is released
 * December 26 - The Master Levels for Doom II is released

1996

 * May 31 - Final Doom, Strife and the first version of Quake are released

1997

 * Fall - The Depths of Doom Trilogy combination pack is released
 * November 30 - Quake 2 is released
 * December 23 - The Doom source code is released

1998

 * March 13 - The popular Doom news site Doomworld is founded

1999

 * April 20 - The Columbine High School Massacre occurs
 * The source code was re-released under the General Public Licence (GPL) by John Carmack, thanks to persuasion by Andrew "Linguica" Stine.
 * Raven Software release the source code for Heretic and Hexen.

2003

 * January 29 - The Ultimate Doom Trilogy: Collector's Edition combination pack is released
 * May 6 - Masters of Doom, by David Kushner, is published

2004

 * August 3 - Doom 3 is made available in the US

2005

 * January 5 - The Doom Wiki begins.
 * April 4 - Doom 3: Resurrection of Evil is released
 * September 13 - Doom RPG is released
 * October 18 - Quake 4 released for Windows XP, uses the Doom 3 engine
 * October 20 - Quake 4 for Linux released
 * October 21 - Doom movie premieres in the US