World Nuclear Association was created in 2001.
World Association of Nuclear Operators was created in 1986.
Canadian Nuclear Association was created in 1960.
Western European Nuclear Regulators' Association was created in 1999.
World Association of Detectives was created in 1925.
World Psychiatric Association was created in 1950.
World Umpires Association was created in 2000.
World Esperanto Association was created in 1908.
World Scrabble Association was created in 2005.
World Clown Association was created in 1983.
World Hockey Association was created in 1972.
World Association of Belarusians was created in 1990.
World Association of Newspapers was created in 1948.