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Between 1920 and 1946, a total of 63 countries became member states of the League of Nations.

When the Assembly of the League of Nations first met, it consisted of 42 founding members.<ref>Template:Cite book</ref> A further 21 countries joined between then and the dissolution of the League.

As several countries withdrew from the League during the course of its existence, the 63 countries were never all members at the same time. The League's greatest extent was from 28 September 1934 (when Ecuador joined) to February 1935 (when Paraguay withdrew) with 58 countries. At this time, only Costa Rica (December 1924), Brazil (June 1926), Japan (March 1933), and Germany (October 1933) had withdrawn, and only Egypt joined later (on 26 May 1937).

Founding membersEdit

The Covenant of the League of Nations was part of the Treaty of Versailles, signed on 28 June 1919 between the Allies of World War I and Germany. In order for the treaty to enter into force, it had to be deposited at Paris; in order to be deposited, it had to be ratified by Germany and any three of the five Principal Powers (the United States of America, the British Empire, France, Italy, and the Empire of Japan). Any Allied signatory that ratified the treaty would automatically join the League.

Germany was forced to ratify the treaty first,<ref>O'Brien, Terrence, "Milner", London: Constable, 1979. pg. 338.</ref> which it did on 10 July 1919. Italy ratified on 7 October 1919, the British Empire and its colonies ratified on 10 October 1919, and France ratified on 12 October 1919. These ratifications were deposited (along with those of ten other countries) on 10 January 1920.<ref name="earlyratifications">Yntema, Hessel E. "The Treaties with Germany and Compensation for War Damage." Columbia Law Review, vol. 23, no. 6, 1923, pp. 511–27. JSTOR, https://doi.org/10.2307/1111344. Accessed 14 July 2024.</ref> All but three of the remaining signatories (the United States, Ecuador, and the Kingdom of Hejaz) had ratified by the time the Assembly first met on 15 November 1920.Template:Efn

The Covenant also invited 13 neutral nations to join the League. To join, an invitee had to agree ("accede without reservation") to the Covenant within two months of the League's founding. All 13 invitees accepted their invitations within the two-month deadline; four of them accepted their invitations even before the League was founded.

The United States Senate voted Template:Nowrap in favor of ratification, but this failed to reach the necessary two-thirds majority.<ref>Template:Cite journal</ref> Hejaz (later Saudi Arabia) also never ratified the treaty. Ecuador would not ratify the treaty until 1934. As an original Allied signatory, Ecuador was entitled to join the League this way with no deadline or Assembly vote, and the League considered Ecuador to still be a founding member.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Uniquely, China (then the Beiyang government) joined the League by ratifying the Treaty of St. Germain (with Austria) instead of the Treaty of Versailles (with Germany), as both treaties included the Covenant of the League of Nations. It had refused to sign the Treaty of Versailles due to it giving the previously-German-controlled Shandong colony in China to the Empire of Japan.

Additional members could join the League by a two-thirds vote of the Assembly.

ListEdit

Founding members below are listed in the order matching the Covenant (signatories first, followed by invitees), except for Ecuador. The colonies of the British Empire immediately followed it and did not sign in alphabetical order. Czechoslovakia and El Salvador were alphabetized under 'S'.

A country was allowed to send a withdrawal notice at any time, but it would take two years to come into effect after the League received it, and meanwhile the country would retain both its obligations and its membership. In practice, a withdrawing country quit the League immediately, and was absent from all sessions and votes for the last two years of its formal membership. The "Date of withdrawal" column shows when the withdrawal notice was sent.

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Member state Date of admission Date of withdrawalTemplate:Efn Notes
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Template:Flagcountry Template:Dts Template:Dts Withdrew upon rejection of a resolution to give Brazil the United States' vacant permanent Council seat.<ref>Myers, Denys P. "Representation in League of Nations Council." The American Journal of International Law, vol. 20, no. 4, 1926, pp. 689–713. JSTOR, https://doi.org/10.2307/2188690. Accessed 19 July 2024.</ref>
Template:FlagTemplate:Efn Template:Dts All six members joined from one ratification document.
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Template:FlagcountryTemplate:Efn
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Template:Flagcountry Template:Dts
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Template:Nowrap
Template:Dts Vichy France sent a notice of withdrawal Template:Dts, which the League recognized.<ref>{{#invoke:citation/CS1|citation CitationClass=web

}}</ref><ref>{{#invoke:citation/CS1|citation

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}}</ref> Free France did not recognize Vichy France's withdrawal and rescinded the notice 15 and 16 April 1943,Template:Efn which the League also recognized.<ref name="freefrance1943"/>

Template:Flagcountry Template:Dts
Template:Flag Template:Dts Template:Dts Withdrawal notice received by the League 26 May 1936.
Template:Flagcountry Template:Dts Template:Dts Withdrawal notice received by the League 8 April 1942.
Template:Flagcountry Template:Dts Template:Dts Withdrawal notice received by the League 10 July 1936.
Template:Flagcountry Template:Dts Template:Dts Quit after the League sanctioned it for invading Ethiopia.
Template:Flag Template:Dts Template:Dts Quit after the League refused to recognize the puppet state of Manchukuo.
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Template:Flagcountry Template:Dts Template:Dts <ref>Hannsjoachim Wolfgang Koch, Macmillan International Higher Education, 1985, Aspects Of The Third Reich, p. 297</ref>
Template:Flagdeco Kingdom of Serbs,
Croats, and Slovenes
Template:Dts Renamed Yugoslavia in 1929.
Template:Flagdeco Siam Template:Dts Renamed Thailand in 1939.<ref>Template:Cite news</ref>
Template:Flagdeco Czechoslovakia Template:Dts Occupied and annexed by Nazi Germany Template:Dts; never withdrew.
Template:Flag Template:Dts
Template:Flag Template:Dts Invitee; accepted Template:Dts.
Quit Template:Dts without sending a notice of withdrawal;<ref>South America Template:Webarchive, Encyclopedia of World History</ref> resumed participation Template:Dts.<ref>League of Nations chronology, United Nations</ref>
Template:Flag Template:Dts Template:Dts Invitee; accepted Template:Dts.
Template:Flag Template:Dts Invitee.
Template:Flag Template:Dts Invitee.
Occupied by Nazi Germany Template:Dts and forced to withdraw Template:Dts; withdrawal not recognized by the League. Withdrawal notice rescinded in 1945.
Template:Flag Template:Dts Invitee.
Template:Flag Template:Dts Invitee.
Template:Flag Template:Dts Template:Dts Invitee; accepted Template:Dts.
Quit during the Chaco War after rejecting the League's arbitration.<ref>LLOYD, LORNA. "The League of Nations and the Settlement of Disputes." World Affairs, vol. 157, no. 4, 1995, pp. 160–74. JSTOR, http://www.jstor.org/stable/20672432. Accessed 3 Sept. 2024.</ref>
Template:Flagcountry Template:Dts Invitee; accepted Template:Dts.
Renamed Iran in 1935.
Template:Flag Template:Dts Template:Dts Invitee.
Withdrawal notice received by the League 10 August 1938.
Template:Flagdeco/Template:Flagdeco Spain/Second Spanish Republic Template:Dts Template:Dts Invitee.
Withdrew Template:Dts with the formal 2-year notice; rejoined Template:Dts before the 2 years were up.
Quit after Francisco Franco came to power.
Template:Flag Template:Dts Invitee.
Template:Flag Template:Dts Invitee.
Template:Flagcountry Template:Dts Template:Dts Invitee.
Template:Flagdeco Austria Template:Dts Template:Dts The League recognized the Anschluss (five days afterward) and removed Austria from its list of members.<ref name="list1944">List of States Members of the League of Nations on 31.XII.1944 from the League of Nations Statistical Yearbook (1942-44) Template:Webarchive</ref>
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Template:Flagdeco Costa Rica Template:Dts Template:Dts Gave slightly more than two years' notice, with its membership formally ceasing Template:Dts.
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Template:Flagcountry Template:Dts Occupied by Italy 12 April 1939; the puppet government sent a notice of withdrawal to the League Template:Dts, but the League did not recognize the puppet government or accept the notice.
Template:Flag Template:Dts Occupied by the Soviet Union and annexed Template:Dts; never withdrew.
Template:Flag Template:Dts Occupied by the Soviet Union and annexed Template:Dts; never withdrew.
Template:Flag Template:Dts Occupied by the Soviet Union and annexed Template:Dts; never withdrew.
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Template:Flag Template:Dts Renamed Ireland in 1937.
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Occupied by the Italian Empire and annexed from Template:Dts to Template:Dts; never withdrew.

Template:Flagdeco Dominican Republic Template:Dts
Template:Flagcountry Template:Dts Template:Dts Quit after Hitler came to power.
Template:Flag Template:Dts The League invited Mexico to join on 8 September 1931.<ref>Toledo-García, Itzel; University of Essex, UK: ‘’"La cuestión de la dignidad nacional en el ingreso de México a la Sociedad de Naciones, 1919-1931"’’ Retrieved 4 September 2016. (Translated from Spanish: "On September 7th, 1931, the British Empire, Germany, Northern Ireland, Spain, France, Italy and Japan began the initiative; next day the proposal was adopted unanimously by the assembly, and the invitation was sent to the government of Mexico. The 10th of September the acceptance was communicated in Geneva… Two days later, Mexico was declared member of the League of Nations.")</ref>
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Expulsion of the Soviet UnionEdit

On 14 December 1939,Template:Sfn the Soviet Union was expelled for invading Finland in violation of the Covenant of the League of Nations, by a Council vote of 7–0–4–3 (7 in favor, 0 against, 4 abstaining, 3 absent).<ref name="expulsion">Gross, Leo. "Was the Soviet Union Expelled From the League of Nations?" The American Journal of International Law, vol. 39, no. 1, 1945, pp. 35–44. JSTOR, https://doi.org/10.2307/2192308. Accessed 19 Feb. 2024.</ref> The United Kingdom, France, Belgium, Bolivia, the Dominican Republic, South Africa, and Egypt voted in favor; the Republic of China, Finland, Greece, and Yugoslavia abstained; and Iran, Peru, and the Soviet Union itself were absent. Three of the votes in favor had been made Council members the day before the vote (South Africa, Bolivia, and Egypt). This was one of the League's final acts before it practically ceased to function.Template:Sfn

It has been disputed whether the expulsion was legally valid. Article 16 paragraph 4 of the Covenant stated that the Council may expel a member from the League if all members of the Council other than the to-be-expelled member concur. However, it is unclear if abstentions or absences were permitted for expulsion votes (though it is undisputed that they were allowed for non-expulsion unanimous Council decisions).<ref name="expulsion"/> Even if permitted, it is disputed whether the expulsion could be legally valid without a majority (8 out of 14) of the Council in favor.Template:SfnTemplate:Failed verification

Regardless, both the expulsion and dispute had little practical effect. The Soviet Union had already declared nine days earlier that it would be absent from the League until further notice; it acknowledged its expulsionTemplate:Sfn and made no move to challenge it on the disputed grounds. No other member was ever expelled from the League to demonstrate any precedent, and the League took no further significant actions due to the Second World War.<ref name="expulsion"/>

Non-membersEdit

Between November and December 1920, Armenia, Azerbaijan, Georgia, and Ukraine applied for membership amid the dissolution of the Russian Empire and the Russian Civil War, but were denied because they did "not appear to have a stable government whose authority extends over the whole of its territory". (Some extra consideration was given to Armenia due to it being a signatory of the Treaty of Sèvres, which would have given Armenia some territory from the broken-up Ottoman Empire, but the treaty failed to be ratified.) Estonia, Latvia, and Lithuania also applied in 1920 and were denied that year because they "had not achieved a definite international status" at the time (the three would be admitted the next year).<ref name="jstor1924"/>

Some of the European microstates, namely Liechtenstein, Monaco, and San Marino, also applied for membership but were denied, explicitly due to their "small size".<ref name="jstor1924"/><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> Andorra and Vatican City never sought membership.Template:Citation needed

Iceland was given the opportunity to join the League of Nations in 1920, but opted not to, primarily due to limited administrative resources.<ref>Template:Cite book</ref>

Some relatively-isolated sovereign states in Asia also did not join, including Bhutan, Nepal, and Yemen, at least in part due to having no diplomatic relations with the major powers.<ref name="jstor1924"/> Tibet and Mongolia were de facto independent, but their independence was not recognized by the major powers.

At the IX Congress of European Nationalities, an organization of the League of Nations, held in Bern, the first three autonomous jurisdictions of Spain (Basque Country, Galicia, and Catalonia), were recognized as nations, but since they were not constitutionally independent, they were represented by the Spanish government.<ref>Template:Cite news</ref>

World War II and aftermathEdit

Several member states were occupied or annexed during World War II, during which the League was largely paralyzed and held no sessions or votes. With the exception of the Anschluss, the League did not recognize any of these occupations, and the occupied states remained members of the League on paper.<ref name="list1944"/> With the exception of Vichy France (later rescinded by Free France), the League also did not recognize any notices of withdrawal sent by puppet regimes, considering them to have been sent under duress.<ref name="statedept"/> Not all puppet regimes attempted to withdraw.

The membership table above notes occupations that began before the start of World War II in Europe, those that continued after the end of World War II, and those whose puppet states attempted to withdraw. For brevity, the large number of occupations that do not meet these criteria (such as in the case of Luxembourg) are not listed.

The 20th annual session of the Assembly took place in 1939,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref name="21stassembly">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> but the 21st session did not take place until April 1946, after which the League ceased to exist.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> During this last session, 35 out of 44 League members attended, with Albania, Bulgaria, Ethiopia, Iraq, Liberia, Thailand, and the Baltic states not present.<ref name="liquidation">Myers, Denys P. "Liquidation of League of Nations Functions." The American Journal of International Law, vol. 42, no. 2, 1948, pp. 320–54. JSTOR, https://doi.org/10.2307/2193676. Accessed 19 July 2024.</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> (Colombia was present, but only as a non-voting observer as its government had not authorized its representative on whether to vote for or against the dissolution of the League.<ref name="21stassembly"/> Allied-occupied Austria was also permitted to send an observer with approval from its occupiers and the rest of the League.)

The League partially did not recognize the Soviet occupation of the Baltic states, which were the only member states of the League to remain occupied after the end of World War II. In its last session, Estonia, Latvia, and Lithuania remained on the list of members of the League.<ref name="liquidation"/><ref name="baltics">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> However, two months before the session, the LeagueTemplate:Efn stated that it would not consider the 1939 documents of any representatives as valid, and required the governments of the League members to furnish new documents naming representatives.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> When the representatives of the Latvian government-in-exile and Lithuanian government-in-exile attempted to attend the session, a Secretariat staff member denied their 1939 documents as instructed, and explicitly stated that there did not exist any government which could provide them with the necessary credentials. The letter documenting this incident refers to the representatives as the "permanent delegate of Latvia" and "permanent delegate of Lithuania" as titles. (The letter does not mention the presence of the delegate of Estonia.) The staff member offered the representatives, and their family members and assistants, entry into the League's diplomatic gallery to spectate the session, but the representatives refused the offer for themselves, while accepting it for their family members and assistants. In addition, the offered entry card, and even the envelope containing the card, explicitly omitted a country name and a title.<ref name="baltics"/>

The League of Nations was formally dissolved on 18 April 1946; its assets and responsibilities were transferred to the United Nations.

MapEdit

File:LN member states animation.gif
A map of the world in the years 1920–1945, which shows the League of Nations members during its history. Template:LegendTemplate:Legend Template:Legend Template:Legend Template:Legend

See alsoEdit

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NotesEdit

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CitationsEdit

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ReferencesEdit

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Further readingEdit

External linksEdit

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