World Congresses

1st Guadalajara, Mexico 1971
2nd Amsterdam, Netherlands 1973
3rd Rome, Italy 1975
4th Kyoto, Japan 1977
5th Jerusalem, Israel 1979
6th Montreal, Canada 1981
7th Hamburg, Germany 1983
8th Chicago, USA 1985
9th Sidney, Australia 1987
10th Madrid, Spain 1989
11th Brazil - Cancelled
12th Bern, Switzerland 1993
13th Jerusalem, Israel 1995
14th Cairns, Australia 1997
15th Athens, Greece 1999
16th Göteborg, Sweden 2001
17th Waikoloa, Hawaii, USA 2003
18th Kobe, Japan 2005
19th Quebec City, Canada 2007
20th Torino, Italy 2009
21st Seoul, Korea 2011
22nd Lisbon, Portugal 2013
23rd Glasgow, UK 2015
24th Beijing, China 2017
25th Florence, Italy 2019