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Assassination of Archduke Franz Ferdinand of Austria,
Assassination of Archduke Franz Ferdinand of Austria, heir to the Austro-Hungarian throne, who was killed in Sarajevo along with his wife Duchess Sophie by Bosnian Serb Gavrilo Princip. -
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Wordl War I Timeline
World War I, also known as the First World War or the Great War, was a global war centered in Europe that began on 28 July 1914 and lasted until 11 November 1918. -
Austria-Hungary sends an ultimatum to Serbia
Austria-Hungary ultimatum to SerbiaAustria-Hungary sends an ultimatum to Serbia. On July 23, 1914, the Austro-Hungarian government issued an ultimatum to Serbia containing ten demands. The ultimatum insisted that Austria-Hungary be allowed to participate in Serbia’s investigation of Archduke Franz Ferdinand’s assassination and, in particular, to take direct part in the judicial process against the suspects. -
Austria-Hungary declares war on Serbia.
Austria-Hungary declares war on Serbia. Russia mobilizes
The Netherlands declare neutrality. -
Germany declares war on Russia.
Germany declares war on Russia.
Italy declares its neutrality.
Germany and the Ottoman Empire sign a secret alliance treaty. -
Ottoman Empire Declares War on Britain, Russia, Serbia and Montenegro
On November 14, 1914, in Constantinople, capital of the Ottoman Empire, the religious leader Sheikh-ul-Islam declares an Islamic holy war on behalf of the Ottoman government, urging his Muslim followers to take up arms against Britain, France, Russia, Serbia and Montenegro in World War I. -
Battle of Bolimov. First German use of chemical weapons.
The first instance of large-scale use of gas as a weapon was on 31 January 1915, when Germany fired 18,000 artillery shells containing liquid xylyl bromide tear gas on Russian positions on the Rawka River, west of Warsaw during the Battle of Bolimov. -
Italy declares war on Austria-Hungary
n May 23, 1915, Italy declared war on Austria-Hungary. The Italian declaration opened up a new front in World War I, stretching 600 kilometers—most of them mountainous—along Italy’s border with Austria-Hungary. Italy—which had become a unified nation only as recently as 1859—was, like Russia, not yet a fully industrialized power. It was certainly not prepared for large-scale warfare, and although it managed to mobilize 1.2 million men in the spring of 1915. -
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First American troops land in France.
The American Expeditionary Forces (AEF) consisted of the United States Armed Forces sent to Europe under the command of General John J. Pershing in 1917 to help fight World War I . During the United States campaigns in World War I the AEF fought in France alongside French and British allied forces in the last year of the war, against German forces -
Russia signs a preliminary armistice with Germany.
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World War I Ends
World War I EndsThe 11th hour on the 11th day of the 11th month of 1918, the Great War ends. At 5 a.m. that morning, Germany, bereft of manpower and supplies and faced with imminent invasion, signed an armistice agreement with the Allies in a railroad car outside Compiégne, France.
