2004

Inside the Halo Universe

 * November 9: The book, The Castaway Theory by Dr. Jonas Volman is released.

Real World Events

 * Halo: Custom Edition is released.
 * Bungie officially confirms the development of the Halo film.
 * October: The Halo 2 Cinematic Trailer is released.
 * November 9: Halo 2 is released in the US and Canada.
 * November 11: Halo 2 is released in Europe.