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TIMESPAN
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Assassination of Archduke Ferdinand
The assassination of Archduke Franz Ferdinand was one of the key events that led to World War I. Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife, Sophie, Duchess of Hohenberg, were assassinated on 28 June 1914 by Bosnian Serb student Gavrilo Princip. -
Austria-Hungary declares war on Serbia
A month after the assassination of Archduke Franz Ferdinand and his wife Sophie on July 28, 1914, the Austro-Hungarian government declares war on Serbia. Immediately, and within a period of six days, European countries declare war upon one another. -
Italy declares war on Austria-Hungary
The Treaty of London was signed on 26 April 1915 and Italy declared war against Austria-Hungary on 23 May 1915. Salandra boasted that the Pact of London was "the greatest, if not the first completely spontaneous act of foreign policy executed by Italy since the Risorgimento." -
United States declares war on Germany
On April 2, 1917, President Woodrow Wilson asked a special joint session of the United States Congress for a declaration of war against the German Empire. Congress responded with the declaration on April 6. -
Russia signs armistice with Germany
Terms of the Treaty and its Effects. On December 15, 1917, an armistice between Soviet Russia and the Central Powers was concluded and fighting stopped. -
Russia signs the Treaty of Brest-Litovsk
The Treaty of Brest-Litovsk was a separate peace treaty signed on 3 March 1918 between Soviet Russia and the Central Powers (Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria), by which Russia withdrew from World War I. -
German Armistice
The Armistice of 11 November 1918 was the armistice signed at Le Francport near Compiègne that ended fighting on land, at sea, and in the air in World War I between the Entente and their last remaining opponent, Germany. -
Treaty of Versailles signed
The Treaty of Versailles was signed by Germany and the Allied Nations on June 28, 1919, formally ending World War One. The terms of the treaty required that Germany pay financial reparations, disarm, lose territory, and give up all of its overseas colonies. -
Bolshevik storm the Winter Palace
The Storming of the Winter Palace was a 1920 mass spectacle, based on historical events that took place in Petrograd during the 1917 October Revolution.
Taking place on the third anniversary of the revolution, it was directed by Nikolai Evreinov and was subtitled a "mass action." -
German troops enter Belgium
It took place over 18 days in May 1940 and ended with the German occupation of Belgium following the surrender of the Belgian Army. On 10 May 1940, Germany invaded Luxembourg, the Netherlands, and Belgium under the operational plan Fall Gelb (Case Yellow).