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Argentina (w and rejoined)
Belgium
Bolivia
Brazil (w)
United Kingdom
Australia
Canada
India
New Zealand
South Africa
Chile (w)
China
Colombia
Cuba
Czechoslovakia (w)
Denmark
El Salvador (w)
France
Greece
Guatemala (w)
Haiti (w)
Honduras (w)
Italy (w)
Japan (w)
Liberia
Netherlands
Nicaragua (w)
Norway
Panama
Paraguay( w)
Persia (w)
Peru (w)
Poland
Portugal
Romania (w)
Siam (w)
Spain(w)
Sweden
Switzerland
Uruguay
Venezuela (w)
Yugoslavia -
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Austria left on 13 March 1938.
Costa Rica left on 22 January 1925. -
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Hungary left on 14 April 1939
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Soviet Union was expelled on 14 December 1939
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The League of Nations was dissolved on 18 April 1946, when its assets and responsibilities were transferred to the United Nations.