1900-01-01:

1921-07-25:

1944-09-03:

1944-09-05:

1950-05-09:

1951-04-18:

1958-04-17:

1973-01-01:

1981-01-01:

1986-01-01:

2002-07-23:

2007-01-01:

2009-12-01:

2014-01-01:

1950-05-09:

1951-04-18:

1986-01-01:

2002-07-23:

2007-01-01:

2009-12-01:

2014-01-01:

1900-01-01:

SWITZERLAND

1921-07-25:

BELGIUM +

LUXEMBURG +

1944-09-05:

BELGIUM +

LUXEMBURG-IN-EXILE +

NETHERLANDS-IN-EXILE +

1950-05-09:

BELGIUM +

WEST GERMANY +

FRENCH UNION +

ITALY +

LUXEMBOURG +

NETHERLANDS +

2002-07-23:

EUROPEAN UNION

1900-01-01:

  Genève

1921-07-25:

  Bruxelles + Luxembourg

1940-05-10:

  Brüssel + Luxemburg

1944-09-03:

  Bruxelles + Luxembourg

1944-09-05:

  Bruxelles

1950-05-09:

  Paris

1952-01-01:

  Bruxelles + Luxembourg + Strasbourg

2002-07-23:

  Bruxelles

1900-01-01:

  LIGUE-DE-LA-PAIX

1921-07-25:

  BELGIQUE-LUXEMBOURG

1944-09-05:

  BENELUX

1950-05-09:

  EUROPA

1951-04-18:

  CECA

2002-07-23:

  CONSEIL-EUROPÉEN

2009-12-01:

  CONSILIUM

1900-01-01:

1921-07-25:

1944-09-05:

1948-03-17:

1950-05-09:

1951-04-18:

2002-07-23:

1950-05-09:

1952-01-01:

1952-07-23:

1952-08-10:

1955-06-01:

1958-01-07:

1959-09-11:

1963-11-05:

1967-03-02:

1967-07-01:

2002-07-23: