The Incomplete Triangle was created on 2004-04-06.
The Incomplete Enchanter was created in 1941.
Incomplete - album - was created in 1998.
Incomplete Eclipse was created in 1982.
The Incomplete Glenn Tilbrook was created in 2001.
The question appears to be incomplete, but an equilateral triangle, seems to fit the answer.
Triangle TV was created in 1998.
Triangle building was created in 2009.
Purple triangle was created in 1938.
Design Triangle was created in 1986.
The Triangle - newspaper - was created in 1926.
Triangle Link was created in 2000.
Triangle Studios was created in 2005.