page_title: Timeline of events preceding World War II
section_title: 1920
hierarchical_section_title: Timeline of events preceding World War II / 1920
caption_attribution_description: Deutsch: Wolfgang Kapp (1858-1922)
context_page_description: This timeline of events preceding World War II covers the events of the interwar period after World War I that affected or led to World War II.
  Leaders of major participating countries
context_section_description: January 10
  Creation of the Free City of Danzig which was approved neither by Germany nor Poland.
  January 21
  The Paris Peace Conference comes to an end with the inaugural General Assembly of the League of Nations. Although one of the victors of World War I, the United States never joins the League.
  March
  The failed right-wing Kapp Putsch takes place against the German government. The German military remains passive and the putsch is defeated by a general strike.
  The German Ruhr Uprising, spurred by the general strike against the Kapp Putsch, is crushed by the German military
  June 4
  Hungary signs the Treaty of Trianon with the Allied powers. The treaty regulated the status of an independent Hungarian state and defined its borders. The United States did not ratify the treaty and later makes a separate peace treaty with Hungary.
  August 10
  Turkey signs the Treaty of Sèvres with the Allied powers (except the US, which never declared war on Turkey). The treaty partitions the Ottoman Empire and the Turkish armed forces are reduced in size. Greece did not accept the borders as drawn up in the treaty and did not sign it. The Treaty of Sèvres was annulled in the course of the Turkish War of Independence and the parties signed and ratified the superseding Treaty of Lausanne in 1923.
  October
  Żeligowski's Mutiny, a Polish force led by General Lucjan Żeligowski capture Vilnius, officially without support from the Polish state
  November
  Franklin D. Roosevelt is defeated for the office of Vice President of the United States by Massachusetts Governor Calvin Coolidge.
  December 24
  Bloody Christmas: Italy occupies Fiume after five days of resistance from Gabriele D'Annunzio's legionnaires.
caption: Wolfgang Kapp, the leader of the Putsch
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