1st | 1948 | Brussels, Belgium | Summer Congress | |
2nd | 1949 | Paris, France | Summer Congress | |
3rd | 1950 | Arnhem, The Netherlands | Summer Congress | |
4th | 1951 | Luxembourg | Summer Congress | |
5th | 1952 | Strasbourg, France | Summer Congress | |
6th | 1953 | Bad Nauheim, Germany | Summer Congress | |
7th | 1954 | Amsterdam, The Netherlands | Summer Congress | |
8th | 1955 | Liege, Belgium | Summer Congress | |
9th | 1956 | Paris-Vincennes, France | Summer Congress | |
10th | 1957 | Luxembourg | Summer Congress | |
11th | 1958 | Brussels, Belgium | Summer Congress | |
12th | 1959 | Copenhagen, Denmark | Summer Congress | |
13th | 1960 | Rotterdam, The Netherlands | Summer Congress | |
14th | 1961 | Athens, Greece | Summer Congress | |
15th | 1962 | Rome, Italy | Summer Congress | |
16th | 1963 | Luxembourg | Summer Congress | |
17th | 1964 | Antwerp, Belgium/Breda, The Netherlands | Summer Congress | |
18th | 1965 | Copenhagen, Denmark | Summer Congress | |
19th | 1966 | Munich, Germany | Summer Congress | |
20th | 1967 | Trieste, Italy | Summer Congress | |
21st | 1968 | Paris-Versailles, France | Summer Congress | |
22nd | 1969 | Breda, The Netherlands | Summer Congress | |
23rd | 1970 | NATO, Brussels, Belgium | Summer Congress | |
24th | 1971 | Hannover, Germany | Summer Congress | |
25th | 1972 | Washington, DC, United States | Summer Congress | |
26th | 1973 | Rome, Italy | Summer Congress | |
27th | 1974 | Oslo, Norway | Summer Congress | |
28th | 1975 | Athens, Greece | Summer Congress | |
29th | 1976 | Copenhagen, Denmark | Summer Congress | |
30th | 1977 | London, United Kingdom | Summer Congress | |
31st | 1978 | Bonn, Germany | Summer Congress | |
32nd | 1979 | Avignon, France | Summer Congress | |
33rd | 1980 | Montreal, Canada | Summer Congress | |
34th | 1981 | The Hague, The Netherlands | Summer Congress | |
35th | 1982 | Washington, DC, United States | Summer Congress | |
36th | 1983 | Brussels, Belgium | Summer Congress | |
37th | 1984 | Rome, Italy | Summer Congress | |
38th | 1985 | Oslo, Norway | Summer Congress | |
39th | 1986 | Athens, Greece | Summer Congress | |
40th | 1987 | Copenhagen, Denmark | Summer Congress | |
41st | 1988 | London, United Kingdom | Summer Congress | |
42nd | 1989 | Wurzburg, Germany | Summer Congress | |
43rd | 1990 | Calgary, Canada | Summer Congress | |
44th | 1991 | Paris, France | Summer Congress | |
45th | 1992 | Breda, The Netherlands | Summer Congress | |
46th | 1993 | Washington, DC, United States | Summer Congress | |
47th | 1994 | Leuven, Belgium | Summer Congress | |
48th | 1995 | Rome, Italy | Summer Congress | |
49th | 1996 | Lillehammer, Norway | Summer Congress | |
50th | 1997 | Aalborg, Denmark | Summer Congress | |
51st | 1998 | Brighton, United Kingdom | Summer Congress | |
52nd | 1999 | Athens, Greece | Summer Congress | |
53rd | 2000 | Berlin, Germany | Summer Congress | |
54th | 2001 | Madrid, Spain | Summer Congress | |
55th | 2002 | Strasbourg, France | Summer Congress | |
56th | 2003 | Maastricht, The Netherlands | Summer Congress | |
57th | 2004 | Vienna, Austria | Summer Congress | |
58th | 2005 | Gent, Belgium | Summer Congress | |
59th | 2006 | Viterbo, Italy | Summer Congress | |
60th | 2007 | Riga, Latvia | Summer Congress | |
61st | 2008 | Istanbul, Turkey | Summer Congress | |
62nd | 2009 | Sofia, Bulgaria | Summer Congress | |
63rd | 2010 | Stavanger, Norway | Summer Congress | |
64th | 2011 | Warsaw, Poland | Summer Congress | |
65th | 2012 | Copenhagen, Denmark | Summer Congress | |
66th | 2013 | Brno, Czech Republic | Summer Congress | |
67th | 2014 | Fulda, Germany | Summer Congress | |
68th | 2015 | Sofia, Bulgaria | Summer Congress | |
69th | 2016 | Madrid, Spain | Summer Congress |  |
70th | 2017 | Prague, Czech Republic | Summer Congress |  |
71st | 2018 | Quebec, Canada | Summer Congress |  |
72nd | 2019 | Tallinn, Estonia | Summer Congress |  |
73rd | 2020 | | Summer Congress |  |
74th | 2021 | | Summer Congress | |
75th | 2022 | Athens, Greece | Summer Congress |  |
76th | 2023 | | Summer Congress |  |