<P> Countries are listed under the year in which they joined . The word "withdrew" indicates that a country left of its own choice . The word "left" indicates a country that ceased to exist because of annexation by Germany, Italy or the Soviet Union . The Soviet Union was the only country to be expelled by the League (in 1939, following its invasion of Finland). </P> <P> Despite formulating the concept and signing the Covenant, the United States never joined the League of Nations . </P> <Ul> <Li> Argentina (withdrew 1921 on rejection of an Argentine resolution that all sovereign states would be admitted to the League . It resumed full membership 26 September 1933) </Li> <Li> Belgium </Li> <Li> Bolivia </Li> <Li> Brazil (withdrew 14 June 1926) </Li> <Li> British Empire separate membership for: <Ul> <Li> United Kingdom </Li> <Li> Australia </Li> <Li> Canada </Li> <Li> India </Li> <Li> New Zealand </Li> <Li> South Africa </Li> </Ul> </Li> <Li> Chile (withdrew 14 May 1938) </Li> <Li> China </Li> <Li> Colombia </Li> <Li> Cuba </Li> <Li> Czechoslovakia (occupied by Germany 15 March 1939) </Li> <Li> Denmark </Li> <Li> El Salvador (withdrew 11 August 1937) </Li> <Li> France (Vichy France withdrew 18 April 1941; withdrawal not recognised by Free French forces) </Li> <Li> Greece </Li> <Li> Guatemala (withdrew 26 May 1936) </Li> <Li> Haiti (withdrew April 1942) </Li> <Li> Honduras (withdrew 10 July 1936) </Li> <Li> Italy (withdrew 11 December 1937) </Li> <Li> Japan (withdrew 27 March 1933) </Li> <Li> Liberia </Li> <Li> Netherlands </Li> <Li> Nicaragua (withdrew 27 June 1936) </Li> <Li> Norway </Li> <Li> Panama </Li> <Li> Paraguay (withdrew 23 February 1935) </Li> <Li> Persia (known as Iran from 1934) </Li> <Li> Peru (withdrew 8 April 1939) </Li> <Li> Poland </Li> <Li> Portugal </Li> <Li> Romania (withdrew July 1940) </Li> <Li> Siam (known as Thailand from 1939) </Li> <Li> Spain (withdrew May 1939) </Li> <Li> Sweden </Li> <Li> Switzerland </Li> <Li> Uruguay </Li> <Li> Venezuela (withdrew 12 July 1938) </Li> <Li> Yugoslavia (known as Kingdom of Serbs, Croats and Slovenes until 1929) </Li> </Ul> <Li> Argentina (withdrew 1921 on rejection of an Argentine resolution that all sovereign states would be admitted to the League . It resumed full membership 26 September 1933) </Li>

When did china join the league of nations
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