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Diplomatic tensions between European powers intensify following the assasination of Archduke Franz Fernindand of Austria-Hungary on June 28, 1914.

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(1914) Mobilization and declarations of war

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(1914) Mobilization and declarations of war

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Austria-Hungary declares war on serbia on July 28, triggering a series of declarations of war between European Powers .

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Allied and Central forces clash in a series of battles along the western border culminating in the First battle of Ypres.

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The western Front stabilizes in trench warfare, while on the Eastern Front battles such as The battle of Tannenburg are fought.

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The battle of Jutland between the British and German fleets marks one of the largest engagements of the war.

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The russian revolution breaks on out in february, lverthrowing the Tsarist regime, while the United States enters the war in April after the sinking of the RMS Lusitania.

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Germany launches a series of offensives on the Western front, but is halted at the Second Battle of the Marneand then retreats during the 100-day Allied offensive.

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The internal situation in Germany deteriorates rapidly and Kaiser Wilhem II abdicates on 9 November, the armistice that ends the war is signed.

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Peace treaties are signed, including the Treaty of Versailles with Germany, wich sets the conditions for the end of the war.