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Archduke Franz Ferdinand heir to the Austrian throne is killed Sarajevo by the Black Hand a serbian terrorist group.
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After the ultimatum sent to Serbia for an investigation of the attack, Austria-Hungary declares war to the kingdom of serbia.
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Serbia being a Russian ally drags Russia to the war the Germany declares war on Russia causing France to join.
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Germany to attack France on another side decides to invade Belgium to flank french positions, Belgium having a treaty with England drags it to the war
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After fighting in Walloon,Belgium, German forces took the belgian capital.
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Russia invades Prussia but is stalled at the Battle of Tannenberg ending in a defeat of the Russian army this would continue to the end of the war with Russian defeats.
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After shelling a Russian Black Sea port, Russia,France,and Great Britain declare war on Turkey.
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With Christmas eve coming, both sides on the western front stopped the fighting and met with each other,
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Battle in the eastern front which saw the first large scale use of chemical gas in a battle.
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After being suspected of helping the Russians, The large Armenian population in the ottoman empire was deported or killed.
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after the sending of an Italian secret telegram to the entente promising Italy's support, Italy formally joins the war.
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A prototype by the British of an tractor is fitted with militarized machinery to fight in the trenches.
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Bulgaria declares war on Serbia aiming to take Macedonia
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Irish rebels revolt in Dublin taking key places but is then defeated.
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The most bloodiest battle starts with 5700 casualties the first day.
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With being offered Transylvania from Austria-Hungary, Romania officialy joins the war,
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After the death of Franz Joseph by pneumonia, Charles I is crowned as the emperor of the dual monarchy.
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Revolution in Russia starts in Petrogad with workers demanding bread.
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Tsar Nicholas II abdicates causing the end of the Romanov dynasty after nearly 200 years and the beginning of a democratic provisional government.
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The united states declares war on Germany after all the sinking of cruise liners.
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Bolsheviks rise up in Russia against the provisional government, their aim was the implementation of communism.
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The soviet union and the central powers sign a armistice therefore Russia leaves the war.
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The Hungarian government separates from the Austrian one therefore ending the dual monarchy.
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Germany surrenders to the Entente and submits to the treaties signed at Versailles
