| 1999 | Belgium, Luxembourg and France |
| 1997 | Austria (the WASBE Conference) |
| 1995 | Germany and Austria |
| 1993 | Trier in Germany |
| 1991 | The Netherlands, Belgium and Luxembourg |
| 1990 | Luxembourg |
| 1989 | Prague in the Chech Republic |
| 1988 | Scotland |
| 1986 | Belgium |
| 1985 | Belgium and Luxembourg |
| 1984 | Stadthagen in Germany |
| 1983 | Belgium |
| 1982 | Stadthagen in Germany |
| 1981 | Jugend und Musik Festival, Wien in Austria |