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- Archduke Franz Ferdinand, heir to Austria-Hungary's throne, and his wife, Sophie, are assassinated by Serbian nationalist Gavrilo Princip while the couple were visiting Sarajevo.
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- Austria-Hungary declares war on Serbia.
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Germany declares war on Russia
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Germany declares war on Russia
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The United Kingdom announces that the North Sea is a military area, effectively creating a blockade of goods into Germany.
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Germany declares a "war zone" around Great Britain, essentially effecting a submarine blockade where even neutral merchant vessels were to be potential targets
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The Polish–Soviet War begins with border clashes between the two states
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The Armistice with Germany marks the end of World War I. German troops evacuate occupied territories and Allied troops subsequently move in and occupy the German Rhineland.
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Foundation of the Third International, or Comintern in Moscow. Comintern's stated aim is to create a global Soviet republic.
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Germany and Poland sign the 10 year German-Polish Non-Aggression Pact.
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Germany's parliament building the Reichstag is set on fire.
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Hitler outlaws trade unions
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The Nazi party becomes the official party of Germany.
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Germany leaves the League of Nations
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The Austrian Civil War is fought, ending with Austrofascist victory.
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Upon the death of President Paul von Hindenburg, Adolf Hitler makes himself Führer of Germany, becoming Head of State as well as Chancellor.
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The Soviet Union joins the League of Nations.
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Japan renounces the Washington Naval Treaty and the London Naval Treaty.
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Hermann Goering, warns all Jews to leave Austria.
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Adolf Hitler is determined to invaid the Sudetenland region of Czechoslovakia.
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Sweden, Norway, and Finland reject Germany's offer of non-aggression pacts.
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German siege of Leningrad begins
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U.S. forces, aided by a Free French division, liberate Paris from Nazi control.
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