| 1st - June 7 - 9, 1990 | STRASBOURG, France | Daniel MARCHAC |
| 2nd - May 2 - 4, 1991 | STRASBOURG, France | Daniel MARCHAC |
| 3rd - May 14 - 16, 1992 | PISA, Italy | Paolo SANTONI RUGIU |
| 4th - Apr. 29 - May 1, 1993 | STRASBOURG, France | Daniel MARCHAC |
| 5th - May 12 - 14, 1994 | GENÈVE, Switzerland | Denys MONTANDON |
| 6th - May 11 - 13, 1995 | STRASBOURG, France | Daniel MARCHAC |
| 7th - May 16 - 18, 1996 | INNSBRUCK, Austria | Hans ANDERL |
| 8th - May 15 - 17, 1997 | AMSTERDAM,The Netherlands | Moshe KON |
| 9th - May 28 - 30, 1998 | VERONA, Italy | Gino RIGOTTI |
| 10th - May 20 - 22, 1999 | MADRID, Spain | Rafael DE LA PLAZA |
| 11th - June 1 - 3, 2000 | BERLIN, Germany | Rolf-Rüdiger OLBRISCH |
| 12th - May 31 - June 2, 2001 | HELSINKI, Finland | Sirpa ASKO-SELJAVAARA |
| 13th - May 30 - June 1, 2002 | CRETE, Greece | John IOANNOVICH |
| 14th - May 29 - 31, 2003 | VIENNA, Austria | Manfred FREY |
| 15th - May 27 - 29, 2004 | GENOA, Italy | Pietro BERRINO |
| 16th - May 26 - 28, 2005 | MARSEILLE, France | Guy MAGALON |
| 17th - May 25 - 27, 2006 | ISTANBUL, Turkey | Onur EROL |
| 18th - May 24 - 26, 2007 | GENT, Belgium | Stan MONSTREY |
| 19th - May 29 - 31, 2008 | MADEIRA, Portugal | Horacio COSTA |
| 20th - May 28 - 30, 2009 | BARCELONA, Spain | Juan BARRET |
| 21st - May 27 - 29, 2010 | MANCHESTER, United Kingdom | Angus McGROUTHER |
