6th World Congress – Belgium 2001
6th World Congress (3rd ISA Conference), Ghent, Belgium, July 23, 2001
5th World Congress – South Africa 1998
5th World Congress (2nd ISA Conference), South Africa, July 1998
4th World Congress – Sweden 1995
4th World Congress (1st ISA Conference), Link Ping, Sweden, July 1995
3rd World Congress – USA 1992
3rd World Congress, San Francisco, 1992
2nd World Congress – Germany 1989
2nd World Congress, Cologne, Germany, 1989
1st World Congress – Japan 1986
1st World Congress, Kyoto, Japan, 1986 The beginning of global cooperation. Shinji Ito, chair of the Japanese organization suggested founding an international organization.