halo: combat evolved was started in 1997, and released 4 years later on nov. 15, 2001
Halo: CE (aka. Halo 1) was released on November 15, 2001.
Halo Reach, Halo: Combat Evolved, Halo 2, Halo 3: ODST, and Halo 3 were made by Bungie; Halo: Wars was created by Ensemble Studios; Halo: Combat Evolved Anniversary and Halo 4 were created by 343 Interactive
Halo James was created in 1988.
JJ Halo was created in 2009.
Halo of Flies was created in 1986.
Halo in a Haystack was created in 1994.
Halo Star was created in 2004.
Arbiter - Halo - was created in 2004.
Devil's Halo was created in 2008.
Busted Halo was created in 2000.
Halo Burger was created in 1923.
Halo - bar - was created in 2004.