IOF Kongresszusok, közgyűlések/ IOF Congresses, General Assemblies
| I. |
1961 |
Denmark |
Copenhagen |
| II. |
1963 |
East Germany |
Leipzig |
| III. |
1965 |
Bulgaria |
Kamtschia |
| IV. |
1967 |
Austria |
Mooserboden |
| V. |
1969 |
Hungary |
Budapest |
| VI. |
1971 |
Finland |
Kiljava |
| VII. |
1973 |
Switzerland |
Magglingen |
| VIII. |
1975 |
Sweden |
Bosön-Stockholm |
| IX. |
1977 |
Austria |
Innsbruck |
| X. |
1980 |
West Germany |
Malente |
| XI. |
1982 |
Belgium |
Liége |
| XII. |
1984 |
Ireland |
Maynooth |
| XIII. |
1986 |
Denmark |
Ry |
| XIV. |
1988 |
Italy |
Torbole |
| XV. |
1990 |
Great-Britain |
Cambridge |
| XVI. |
1992 |
Switzerland |
Filzbach |
| XVII. |
1994 |
Bulgaria |
Varna |
| XVIII. |
1996 |
Israel |
Jerusalem |
| XIX. |
1998 |
Portugal |
Sintra |
| XX. |
2000 |
Austria |
Graz |
| XXI. |
2002 |
France |
Fontainebleau |
| XXII. |
2004 |
Sweden |
Västeras |
| XXIII. |
2006 |
Denmark |
Arhus |
| XXIV. |
2008 |
Czech Republic |
Prostejov |
| XXV. |
2010 |
Norway |
Trondheim |
| XXVI. |
2012 |
Switzerland |
Lausanne |
| XXVII. |
2014 |
Italy |
Trentino |
| XXVIII. |
2016 |
Sweden |
Strömstad-Tanum |
| XXIX. |
2018 |
Czechia |
Prague |
| XXX. |
2020 |
online |
| XXXI. |
2022 |
online (Extraordinary) |
| XXXII. |
2022 |
Denmark (hybrid) |
Kolding |
| XXXIII. |
2024 |
Great-Britain (hybrid) |
Edinburgh |
| XXXIV. |
2026 |
Italy |
Genova |