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January 4-15
The Spartacist uprising takes place and is crushed by the German government, marking the end of the German Revolution. -
January 18
Opening of the Paris Peace Conference to negotiate peace treaties between the belligerents of World War I. -
Febuary
The Polish–Soviet War begins with border clashes between the two states. -
March 2
Foundation of the Third International, or Comintern in Moscow. Comintern's stated aim is to create a global Soviet republic -
March 12
The Austrian Constituent National Assembly demands Austria's integration to Germany.[1] -
Period: to
world events between world wars
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January 10
Creation of the Free City of Danzig which was neither approved by Germany nor Poland. -
September 10
German Austria signs the Treaty of Saint-Germain. The peace treaty with the Allies regulates the borders of Austria, forbids union with Germany and German Austria has to change its name to Austria. The United States did not ratify the treaty and later makes a separate peace treaty with Austria. -
August 25
The U.S.–German Peace Treaty and the U.S.–Austrian Peace Treaty are signed, marking the formal end of the state of war between the two states and the United States instead of the Treaty of Versailles and the Treaty of Saint-Germain that were not ratified by the United States. -
Febuary 6
The Washington Naval Conference ends with the signing of the Washington Naval Treaty by the United Kingdom, the United States, Japan, France, and Italy. The signing parties agree to limit the size of their naval forces. -
April 16
Germany and the Soviet Union sign the Treaty of Rapallo, re-establishing diplomatic relations, renouncing financial claims on each other and pledge future cooperation. -
July 24
July 24 The Treaty of Lausanne, settling the boundaries of modern Turkey, is signed in Switzerland by Turkey and the Entente powers. It marks the end of the Turkish War of Independence and replaces the earlier Treaty of Sèvres. -
June 10
Italian Fascists kidnap and kill socialist leader Giacomo Matteotti in Rome -
July 18
Adolf Hitler's autobiographical manifesto Mein Kampf is published. -
January 31
British and Belgian troops leave Cologne, Germany. -
September 8
Germany joins the League of Nations. -
December 14
Iraq gains independence from the United Kingdom. -
April
The United Kingdom, United States, France, Italy and Japan sign the London Naval Treaty regulating submarine warfare and limiting naval shipbuilding. -
June 30
France withdraws its remaining troops from the Rhineland ending the occupation of the Rhineland.