The following countries have hosted a Summer Congress.
8
Hosted 8 Summer Congresses
Netherlands
7
Hosted 7 Summer Congresses
Belgium
France
Germany
6
Hosted 6 Summer Congresses
Denmark
Italy
4
Hosted 4 Summer Congresses
Greece
Norway
3
Hosted 3 Summer Congresses
United Kingdom
United States
Luxembourg
2
Hosted 2 Summer Congresses
Bulgaria
Canada
Spain
1
Hosted 1 Summer Congress
Austria
Czech Rep
Latvia
Poland
Turkey
Summer Congresses
2016-2010
| 69th | 2016 | Madrid, Spain |
| 68th | 2015 | Sofia, Bulgaria |
| 67th | 2014 | Fulda, Germany |
| 66th | 2013 | Brno, Czech Republic |
| 65th | 2012 | Copenhagen, Denmark |
| 64th | 2011 | Warsaw, Poland |
| 63rd | 2010 | Stavanger, Norway |
2009-2000
| 62nd | 2009 | Sofia, Bulgaria |
| 61st | 2008 | Istanbul, Turkey |
| 60th | 2007 | Riga, Latvia |
| 59th | 2006 | Viterbo, Italy |
| 58th | 2005 | Gent, Belgium |
| 57th | 2004 | Vienna, Austria |
| 56th | 2003 | Maastricht, The Netherlands |
| 55th | 2002 | Strasbourg, France |
| 54th | 2001 | Madrid, Spain |
| 53rd | 2000 | Berlin, Germany |
1999-1990
| 52nd | 1999 | Athens, Greece |
| 51st | 1998 | Brighton, United Kingdom |
| 50th | 1997 | Aalborg, Denmark |
| 49th | 1996 | Lillehammer, Norway |
| 48th | 1995 | Rome, Italy |
| 47th | 1994 | Leuven, Belgium |
| 46th | 1993 | Washington, DC, United States |
| 45th | 1992 | Breda, The Netherlands |
| 44th | 1991 | Paris, France |
| 43rd | 1990 | Calgary, Canada |
1989 - 1980
| 42nd | 1989 | Wurzburg, Germany |
| 41st | 1988 | London, United Kingdom |
| 40th | 1987 | Copenhagen, Denmark |
| 39th | 1986 | Athens, Greece |
| 38th | 1985 | Oslo, Norway |
| 37th | 1984 | Rome, Italy |
| 36th | 1983 | Brussels, Belgium |
| 35th | 1982 | Washington, DC, United States |
| 34th | 1981 | The Hague, The Netherlands |
| 33rd | 1980 | Montreal, Canada |
1979 - 1970
| 32nd | 1979 | Avignon, France |
| 31st | 1978 | Bonn, Germany |
| 30th | 1977 | London, United Kingdom |
| 29th | 1976 | Copenhagen, Denmark |
| 28th | 1975 | Athens, Greece |
| 27th | 1974 | Oslo, Norway |
| 26th | 1973 | Rome, Italy |
| 25th | 1972 | Washington, DC, United States |
| 24th | 1971 | Hannover, Germany |
| 23rd | 1970 | NATO, Brussels, Belgium |
1969 - 1960
| 22nd | 1969 | Breda, The Netherlands |
| 21st | 1968 | Paris-Versailles, France |
| 20th | 1967 | Trieste, Italy |
| 19th | 1966 | Munich, Germany |
| 18th | 1965 | Copenhagen, Denmark |
| 17th | 1964 | Antwerp, Belgium/Breda, The Netherlands |
| 16th | 1963 | Luxembourg |
| 15th | 1962 | Rome, Italy |
| 14th | 1961 | Athens, Greece |
| 13th | 1960 | Rotterdam, The Netherlands |
1959 - 1950
| 12th | 1959 | Copenhagen, Denmark |
| 11th | 1958 | Brussels, Belgium |
| 10th | 1957 | Luxembourg |
| 9th | 1956 | Paris-Vincennes, France |
| 8th | 1955 | Liege, Belgium |
| 7th | 1954 | Amsterdam, The Netherlands |
| 6th | 1953 | Bad Nauheim, Germany |
| 5th | 1952 | Strasbourg, France |
| 4th | 1951 | Luxembourg |
| 3rd | 1950 | Arnhem, The Netherlands |
1949 - 1948
| 2nd | 1949 | Paris, France |
| 1st | 1948 | Brussels, Belgium |
Mid-Winter Meeting - Brussels Belgium
2017 Gent Belgium