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The Triple Alliance, formed by Germany, Italy and the Austro-Hungarian Empire, was created at the initiative of Kaiser Otto von Bismarck. -
The Russian Social Democratic Labour was founded, led by Lenin.
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The Russian Revolution of 1905 took place looking for the end of the autocracy , the Tsar responded with brutal repression but finally agreed to hold elections to the parlament until he returned to autocratic rule a few years later. -
Algeciras Conference authorised a Franco-Spanish protectorade forcing the Germans to back down in the Moroccan uprising.
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The annexation of Bosnia-Herzegovina took place increasing the tensions in the Balkans.
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The Triple Entente was signed by France, Great Britain and Russia. -
Germans sent gunboats to the port of Agadir, France ceded Kamerun to germans. -
The First Balkan War took place. -
The Second Balkan War took place -
Franz Ferdinand was assessinated in Sarajevo. Austria-Hungary accused Serbia of the assessination. -
Ausria-Hungary declared war on Serbia starting a chain reaction that ended up with the major powers involved in a war. -
France joined the war in the Allied side.
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Italy and Bulgaria joined the war in the Allied and Central Powers sides respectively. Germany sank the american ocean liner Lusitania.
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France stopped a German offensive in the Battle of Verdun, meanwhile British and French attacked German lines in the Battle of the Somme. Romania joined the war in the Allied side. -
United States joined the war in the Allied side. launched the April theses.
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Tsar Nicholas II abdicated and Russia was proclaimed as a republic. -
The Red Guard took the control of Petrograd and the Winter Palace and the Bolsheviks overthrew the provisional government. -
Elections were held in Russia. Bolsheviks got only 25%.
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The Treaty of Brest-Litovsk was signed and Russia got out the war. -
Was signed an armistice that ended the war. -
The Treaty of Versailles was signed blaming Germany as guilty of the war. The League of Nations was founded to guarantee the peace and cooperation between states. -
The Bolsheviks won the Russian Civil War. -
The USSR was formed.