- 1974: Marseilles, France
- 1976: Tubingen, Germany
- 1978: Tokyo, Japan
- 1980: Bristol, UK
- 1982: Sacramento, CA, USA
- 1984: Santa Marguerita Ligure, Italy
- 1986: Amsterdam, The Netherlands
- 1988: Vancouver, Canada
- 1990: Malmö, Sweden
- 1992: Kyoto, Japan
- 1994: Washington, D.C., USA
- 1996: Würzburg, Germany
- 1998: Gardone Riviera, Italy
- 2000: Halifax, Canada
- 2002: Stratford upon Avon, UK
- 2004: Barcelona, Spain
- 2006: Portland, OR, USA
- 2008: Nara, Japan
- 2010: Puerto de la Cruz, Tenerife, Canary Islands, Spain
- 2012: Melbourne, Australia
- 2014: New York, NY, USA (or abstracts only)