| YEAR |
LOCATION |
| 2024 |
Milano, Italy |
| 2022 |
Seoul, South Korea (virtual) |
| 2020 |
Chicago, USA (virtual) |
| 2018 |
Heidelberg, Germany |
| 2016 |
London, UK |
| 2014 |
Boston, USA |
| 2012 |
Kyoto, Japan |
| 2010 |
Athens, Greece |
| 2008 |
Christchurch, New Zealand |
| 2006 |
Santa Fe, USA |
| 2004 |
Paris, France |
| 2002 |
Munich, Germany |
| 2000 |
Sudbury, Canada |
| 1998 |
Takayama, Japan |
| 1996 |
Helsinki, Finland |
| 1994 |
Eliat, Israel |
| 1992 |
Granada, Spain |
| 1990 |
Geneva, Switzerland |
| 1988 |
Boston, USA |
| 1986 |
Sendai, Japan |
| 1984 |
Dortmund, West Germany |
| 1982 |
Balaton, Hungary |
| 1981 |
Wailea, USA |
| 1980 |
Erice, Italy |
| 1979 |
Bergen, Norway |
| 1978 |
Lafayette, USA |
| 1977 |
Elbrus, USSR |
| 1976 |
Aachen, West Germany |
| 1975 |
Balaton, Hungary |
| 1974 |
Philadelphia, USA |
| 1972 |
Balaton, Hungary |