History
| # |
Year |
City |
Country |
| 1st |
1964 |
London |
UK |
| 2nd |
1966 |
Jena |
Germany |
| 3rd |
1967 |
Cambridge |
USA |
| 4th |
1970 |
Prague |
Czech Republic |
| 5th |
1972 |
Mt. Fuji Area |
Japan |
| 6th |
1973 |
Minsk |
Belarus |
| 7th |
1975 |
Regensburg |
Germany |
| 8th |
1976 |
York |
UK |
| 9th |
1979 |
Poznan |
Poland |
| 10th |
1982 |
Yokohama |
Japan |
| 11th |
1985 |
Asilomar |
USA |
| 12th |
1988 |
Le Creusot |
France |
| 13th |
1991 |
Glasgow |
UK |
| 14th |
1994 |
Düsseldorf |
Germany |
| 15th |
1997 |
Sunshine Coast |
Australia |
| 16th |
2000 |
Natal |
Brazil |
| 17th |
2002 |
Kyoto |
Japan |
| 18th |
2003 |
Madrid |
Spain |
| 19th |
2006 |
Sendai |
Japan |
| 20th |
2009 |
Berlin |
Germany |
| 21st |
2012 |
Shanghai |
China |
| 22nd |
2015 |
Cracow |
Poland |
| 23rd |
2018 |
Santa Cruz |
USA |
| 24th |
2022 |
Okinawa |
Japan |
