World Umpires Association was created in 2000.
Major League Umpires Association was created in 1970.
Major League Umpires Association ended in 1999.
Urban Umpires was created in 2006.
World Psychiatric Association was created in 1950.
World Esperanto Association was created in 1908.
World Clown Association was created in 1983.
World Hockey Association was created in 1972.
World Nuclear Association was created in 2001.
World Scrabble Association was created in 2005.
World Association of Belarusians was created in 1990.
World Medical Association was created in 1947.
World Association of Newspapers was created in 1948.