I 1967 Warsaw (Poland) II 1968 Budapest (Hungary) III 1969 Brno (Czecho-Slovakia) IV 1970 Moscow (Soviet Union) V 1971 Sofia (Bulgaria) VI 1972 Bucharest (Romania) VII 1974 Warsaw (Poland) VIII 1975 Guestrow (GDR) IX 1976 Budapest (Hungary) X 1977 Hradec Kralove (Czecho-Slovakia) XI 1979 Moscow (Soviet Union) XII 1981 Varna (Bulgaria) XIII 1982 Malente (FRG) XIV 1983 Bucharest (Romania) XV 1984 Sigtuna (Sweden) XVI 1985 Portoroz (Yugoslavia) XVII 1986 London-Harrow (United Kingdom) XVIII 1987 Jena (GDR) XIX 1988 Bad Ischl (Austria) XX 1989 Warsaw (Poland) XXI 1990 Groningen (The Netherlands) XXII 1991 Havana (Cuba) XXIII 1992 Helsinki (Finland) XXIV 1993 Williamsburg (USA) XXV 1994 Beijing (China) XXVI 1995 Canberra (Australia) XXVII 1996 Oslo (Norway) - confirmed XXVIII 1997 Sudbury (Canada) - confirmed XXIX 1998 (*) (Iceland) - confirmed XXX 1999 (*) (Italy) - confirmed XXXI 2000 (*) (United Kingdom) - confirmed XXXII 2001 (*) Turkey - confirmed XXXIII 2002 (*) Belgium - preliminary contacts XXXIV 2003 (*) Vietnam - preliminary contacts XXXV 2004 (*) South Korea - declaration received XXXVI 2005 (*) Spain - prelimimary contacts XXXVII 2006 (*) Greece - preliminary contacts XXXVIII 2007 (*) Iran - declaration received {the asterisk (*) denotes that the site of the competition will be determined later}