Singapore Expo was created in 1999.
There are many places where one can find information about the Singapore Expo. The best source would be the Singapore Expo website. Siggraph also has some information.
Expo Expo was created on 2001-03-28.
Japan Expo was created in 1999.
Expo Air was created in 1997.
Interstellar Expo was created in 2007.
Comikaze Expo was created in 2011.
Electronics Expo was created in 2004.
LG eXpo was created in 2009.
Sands Expo was created in 1990.
Alternative Press Expo was created in 1994.
CTN Animation Expo was created in 2009.
Fan Expo Canada was created in 1995.