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German offensive against Belgium. Russian offensive against Prussia and Hidembury defeat the Russians in Tannenbry
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The French army stopped the German advance, while the western front stagnates in a war of trenches
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Period: to
Murder of Francis Ferdinand archduke and his wife
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Autria-Hungria declares war on Serbia
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Period: to
Germany declared war on Russia and France
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Britain declares war on Germany and this invades Belgium
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Allied offensive fruitless
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Italy joins the allies and attacks to Austria-Hungria
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Bulgaria joins the central empires and Allied landing in Thessaloniki
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Serbia is defeated without palliative care in the plain of Kosovo Polje
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German offensive on Verdun
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Russia occupies Bukovina and the eastern part of Galicia, but suffers heavy casualties in the prolonged offensive
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British and French started the offensive of the Somme
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Russia joins the allies
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Lloyd George, Prime Minister of the British government coalition
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The beginning of the Russian Revolution
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Germany helps Austria-Hungria in the war against Italy and expires in Caporetto and in Russia occur the October Revolution
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Germany starts the U-boat warfare against the merchant ships
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The United States declares war on Germany
