2006

Real World Events

 * February 23: Halo3.com, registered in 2004, transfers ownership from Microsoft's "Trout & Zimmer" holding company to Microsoft Corporation.
 * April 25: Volume 2 of the Halo 2: Original Soundtrack is released.
 * May 12: The Halo 3 Announcement Trailer is first shown at E3 2006.
 * May 17: The discovery of the extrasolar planet HD 69830, which the Kig-yar homeworld Eayn supposedly orbits, is announced.
 * July 19: The Halo Graphic Novel is released.
 * September 27: The Halo Wars Announcement Trailer is first shown at the Microsoft X06 media briefing.
 * October 31: The novel Halo: Ghosts of Onyx is released.
 * December 4: The Starry Night trailer for Halo 3 is released.