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I.O.C. Meetings 1884-2010
# Year Location President Secretary-General
1st 1884 Vienna, Austria Dr. G.F.R. Radde Dr. Gustav von Hayek
2nd 1891 Budapest, Hungary Prof. Victor Fatio, Otto Herman none
3rd 1900 Paris, France Dr. Émile Oustalet Jean de Claybrooke
4th 1905 London, United Kingdom R. Bowdler Sharpe Dr. E.J.O. Hartert, J. Lewis Bonhote
5th 1910 Berlin, Germany Prof. Dr. Anton Reichenow Herman Schalow
6th 1926 Copenhagen, Denmark Dr. E. J. O. Hartert E. Lehn Schioler
7th 1930 Amsterdam, Netherlands Prof. A.J.E. Lönnberg Prof. L.F. de Beaufort
8th 1934 Oxford, United Kingdom Prof. Erwin Stresemann Rev. F.C.R. Jourdain
9th 1938 Rouen, France Prof. Alessandro Ghigi Jean Delacour
10th 1950 Uppsala, Sweden Dr. Alexander Wetmore Prof. Sven Hörstadius
11th 1954 Basel, Switzerland Sir Landsborough Thomson Prof. Adolf Portmann
12th 1958 Helsinki, Finland Prof. J. Berlioz Dr. Lars von Haartman
13th 1962 Ithaca, NY, USA Dr. Ernst Mayr Dr. Charles G. Sibley
14th 1966 Oxford, United Kingdom Dr. David Lack Prof. Nikolaas Tinbergen
15th 1970 Den Haag, The Netherlands 1966-1969: Prof. Nikolaas Tinbergen
1969-1970: Prof. Finn Salomonsen
Prof. Karel H. Voous
16th 1974 Canberra, Australia Prof. Jean Dorst Dr. H. J. Frith 
17th 1978 Berlin, Germany Prof. D.S. Farner Rolf Nöhring
18th 1982 Moscow, Russia Prof. Lars von Haartman Prof. V. Ilyichev
19th 1986 Ottawa, Canada Prof. Dr. Klaus Immelmann Dr. Henri Ouellet
20th 1990 Christchurch, New Zealand Dr. Charles G. Sibley Dr. Benjamin D. Bell
21st 1994 Vienna, Austria Dr. Christopher Perrins Dr. John Dittami
22nd 1998 Durban, South Africa Prof. Dr. Peter Berthold Dr. Aldo Berruti
23rd 2002 Beijing, China Prof. Walter Bock Dr. Wei-shu Xu
24th 2006 Hamburg, Germany Prof. Dr. Jacques Blondel Prof. Dr. Franz Bairlein
25th 2010 Campos do Jordão, Brazil Prof.dr. John C[harteris] Wingfield Dr. Cristina Yumi Miyaki
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               nota:
                         C.G.Sibley è stato Segretario (1962) e Presidente (1990)
                         N.Tinbergen è stato Segretario (1966) e Presidente (1966-1969)