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League of Nations

20th-century international organisation, predecessor to the United Nations

29 dated entries naming League of Nations, drawn from 14 separate years between 1919 CE and 1946 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

Also written as The League of Nations in the source articles; Wikipedia redirects those to the same subject, so their entries are on this page.

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20th century

  • 1919January 25 – The League of Nations is founded in Paris, France.source
  • 1919May 30 – By agreement with the United Kingdom, later confirmed by the League of Nations, Belgium is given the mandate over part of German East Africa (Ruanda-Urundi).source
  • 1919June 28 – The International Labour Organization (ILO) is established as an agency of the League of Nations.source
  • 192010 January – The League of Nations is established with Switzerland as one of its founding members and its headquarters established in Geneva.source
  • 1920October 27 – The League of Nations moves its headquarters to Geneva, Switzerland.source
  • 1920November 17 – The council of the League of Nations accepts the constitution for the Free City of Danzig.source
  • 1921Estonia joins League of Nations.source
  • 1921June 21 – The International Hydrographic Bureau (IHB) is established as an agency of the League of Nations; it continues in this form until April 19, 1946.source
  • 1922September 11 – The Mandate of Palestine is approved by the Council of the League of Nations.source
  • 192222 September – Estonia joined the League of Nations.source
  • 1923August 31 – The Italian navy occupies Corfu, in retaliation for the murder of an Italian officer. The League of Nations protests, and the occupation ends on September 30.source
  • 1923September 10 – The Irish Free State joins the League of Nations.source
  • 192326 September – The British Mandate for Palestine, a legal instrument for the administration of Palestine, confirmed by the Council of the League of Nations on 24 July 1922, comes into effect.source
  • 1924October 2 – The Geneva Protocol is adopted by the League of Nations Assembly as a means to strengthen the League, but later fails to be ratified.source
  • 1926The Zionist Organization submits a memorandum to the League of Nations concerning the administration of the British Mandate for Palestine. The document is officially filed in Geneva by the Mandates Section.source
  • 1926September 8 – The German Weimar Republic joins the League of Nations.source
  • 1926September 25 – The League of Nations Slavery Convention abolishes all types of slavery.source
  • 1927September 25 – A treaty signed by the League of Nations Slavery Commission abolishes all types of slavery.source
  • 1933The Advisory Committee of Experts on Slavery is created by the League of Nations.source
  • 1933March 27 – Japan announces it will leave the League of Nations (due to a cancellation period of exactly two years, the egression becomes effective March 27, 1935).source
  • 1934January 1 – The International Telecommunication Union, a specialist agency of the League of Nations, is established.source
  • 1934September 18 — Soviet Union joins the League of Nations as a permanent Board membersource
  • 1934September 19 – The Soviet Union joins the League of Nations.source
  • 1934September 28 – Afghanistan joins the League of Nations.source
  • 1937February 21 – The League of Nations Non-Intervention Committee prohibits foreign nationals from fighting in the Spanish Civil War.source
  • 1937December 11 – Italy withdraws from the League of Nations.source
  • 1938September 21 – Winston Churchill warns of grave consequences to European security, if Czechoslovakia is partitioned. The same day, Soviet Foreign Commissar Maxim Litvinov makes a similar statement in the League of Nations.source
  • 1939December 14 – WWII: Winter War – The League of Nations expels the USSR for attacking Finland.source
  • 1946April 18 – The League of Nations, in its last meeting, transfers its mission to the United Nations and disbands itself.source

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