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League of Nations
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Members of the League of Nations

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Last Updated: • Article History
Quick Facts
Date:
January 20, 1920 - April 19, 1946
Headquarters:
Geneva
Areas Of Involvement:
disarmament
collective security
international arbitration

The table provides a list of members of the League of Nations as well as the effective dates of their membership.

member date of entry notice of withdrawal (effective after two years)
Afghanistan September 1934
Albania December 1920 annexed by Italy, April 1939
Argentina *
Australia *
Austria December 1920 annexed by Germany, March 1938
Belgium *
Bolivia *
Brazil * June 1926
Bulgaria December 1920
Canada *
Chile *
China *
Colombia *
Costa Rica December 1920
Cuba *
Czechoslovakia *
Denmark *
Dominican Republic September 1924
Ecuador September 1934
Egypt May 1937
El Salvador * August 1937
Estonia September 1921
Ethiopia September 1923
Finland December 1920
France *
Germany September 1926 October 1933
Greece *
Guatemala * May 1936
Haiti * April 1942
Honduras * July 1936
Hungary September 1922 April 1939
India *
Iraq October 1932
Ireland September 1923
Italy * December 1937
Japan * March 1933
Latvia September 1921
Liberia *
Lithuania September 1921
Luxembourg December 1920
Mexico September 1931
Netherlands *
New Zealand *
Nicaragua * June 1936
Norway *
Panama *
Paraguay * February 1935
Persia *
Peru * April 1939
Poland *
Portugal *
Romania * July 1940
Siam *
Spain * May 1939
Sweden *
Switzerland *
Turkey July 1932
Union of South Africa *
U.S.S.R. * **
United Kingdom *
Uruguay *
Venezuela September 1934
Yugoslavia *

*Original member (January 10, 1920).

**Declared to be no longer a member of the League by council resolution December 14, 1939.

The Editors of Encyclopaedia Britannica
This article was most recently revised and updated by Mindy Johnston.