ICA events
| 1962 | Frankfurt am Main (Germany) | 
| 1964 | Edinburgh (United Kingdom) | 
| 1967 | Amsterdam (The Netherlands) | 
| 1968 | Delhi (India) | 
| 1970 | Stresa (Italy) | 
| 1972 | Ottawa (Canada) | 
| 1974 | Madrid (Spain) | 
| 1976 | Moscow (Soviet Union) | 
| 1978 | College Park (Maryland, USA) | 
| 1980 | Tokyo (Japan) | 
| 1982 | Warsaw (Poland) | 
| 1984 | Perth (Australia) | 
| 1987 | Morelia (Mexico) | 
| 1989 | Budapest (Hungary) | 
| 1991 | Bournemouth (UK) | 
| 1993 | Cologne (Germany) | 
| 1995 | Barcelona (Spain) | 
| 1997 | Stockholm (Sweden) | 
| 1999 | Ottawa (Canada) | 
| 2001 | Beijing (China) | 
| 2003 | Durban (RSA) | 
| 2005 | A Coruña (Spain) | 
| 2007 | Moscow (Russia) | 
| 2009 | Santiago de Chile (Chile) | 
| 2011 | Paris (France) | 
| 2013 | Dresden (Germany) | 
| 2015 | Rio de Janeiro (Brazil) | 
| 2017 | Washington DC (USA) | 
| 2019 | Tokyo (Japan) |