The Whole Theory was created in 2000.
Because the whole of a theory is that it cannot be proven...
The whole science of spectroscopy is proof of it.
The Theory of Everything was created in 2002.
A Theory of Justice was created in 1975.
Theory of Colours was created in 1810.
Abstract Theory was created in 2002.
Enochian Theory was created in 2004.
The Juliana Theory was created in 1997.
Theory in Practice was created in 1995.
MacKenzie Theory was created in 1971.
A Theory of Architecture was created in 2006.
Motion Theory was created in 2008.