Halo in a Haystack was created in 1994.
Haystack Observatory was created in 1960.
The Haystack in the Floods was created in 1858.
Haystack Mountain Tower was created in 1929.
Dinosaur in a Haystack was created on 1995-12-12.
Needles in the Cosmic Haystack was created in 1995.
Haystack Mountain School of Crafts was created in 1950.
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 effect was created in 1920.
Dime with a Halo was created in 1963.
Luna Halo was created in 1999.
Devil's Halo was created in 2008.
Busted Halo was created in 2000.