World Conferences

• 1 Lucerna Switzerland, 24-25 Oct. 1953
• 2 Horsens Denmark, 1-5 Aug. 1955
• 3 Jambville France, 12-13 Aug. 1959
• 4 Woudschoten, Netherlands, 28-29 Oct. 1961
• 5 Castelgandolfo, Italy, 22-27 July 1963
• 6 Brussels, Belgium, 27-29 Aug. 1965
• 7 Durham United Kingdom, 14-21 July 1967
• 8 Gripsholm Sweden, 23-25 Aug. 1969
• 9 Melbourne Australia, 30 Sept.-4 Oct. 1971
• 10 Vienna Austria, 9-13 July 1973
• 11 Aalborg Denmark, 15-20 Aug. 1975
• 12 Montreux Switzerland, 25-29 July 1977
• 13 Bergen Norway, 5-11 Aug. 1979
• 14 Dijon France, 20-25 July 1981
• 15 Dalfsen Netherlands, 11-16 July 1983
• 16 Christchurch New Zealand, 1-8 Feb. 1985
• 17 Coventry United Kingdom, 19-24 July 1987
• 18 Aalborg Denmark, 6-12 August 1989
• 19 Chalkidiki Greece, 29 Sept.-4 Oct. 1991
• 20 Yogyakarta Indonesia, 16-22 May 1993
• 21 Montegrotto Italy, 30 June-6 July 1996
• 22 New Delhi India, 21-26 February 1999
• 23 Vancouver Canada, 9-15 June 2002
• 24 Lillehammer Norway, 12-17 June 2005
• 25 Tozeur, Tunisia, 20-26 October 2008

ASPAC Regional Conferences

• 1 Colombo Sri Lanka 1974
• 2 Auckland New Zealand 1976
• 3 Alexandra Headland Australia 1978
• 4 "Sangam"-Pune India 1982
• 5 Bentota/Colombo Sri Lanka 1984
• Dhaka Bangladesh 1986 cancelled
• 6 Bandung Indonesia 1988
• 7 New Delhi India 1990
• 8 Islamabad Pakistan 1992
• 9 Camberra Australia 1994
• 10 Terenganu Malaysia 1997
• 11 Napier New Zealand 2000
• Sydney Australia 2003 cancelled

Europe Regional Conferences

• 1 Vienna Austria 27 - 30 April 1990
• 2 Brandys/Prague Czech Republic 25 - 28 May 1995
• 3 Estoril/Lisbon Portugal 17 - 21 June 1998
• 4 Budapest Hungary 23 - 27 June 2001
• 5 Canterbury United Kingdom 9-13 June 2004
• 6 Cracow, Poland, 20-24 June 2007

Arab Regional Conferences

• 1 Cairo Egypt
• 2 Tunis Tunisia 15 - 20 Nov. 1999
• 3 Beyrouth Lebanon 01 - 06 August 2001
• 4 Casablanca Morocco 13-17 May 2004
• 5 Tunisia 2007