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1882
The Triple Alliance, formed by Germany, Italy and the Austro-Hungarian Empire, was created at the initiative of Kaiser Otto von Bismarck. -
1898
The Russian Social Democratic Labour was founded, led by Lenin. -
1905
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. -
1906
Algeciras Conference authorised a Franco-Spanish protectorade forcing the Germans to back down in the Moroccan uprising. -
1908
The annexation of Bosnia-Herzegovina took place increasing the tensions in the Balkans. -
1907
The Triple Entente was signed by France, Great Britain and Russia. -
1911
Germans sent gunboats to the port of Agadir, France ceded Kamerun to germans. -
1912
The First Balkan War took place. -
1913
The Second Balkan War took place -
28 June 1914
Franz Ferdinand was assessinated in Sarajevo. Austria-Hungary accused Serbia of the assessination. -
28 July 1914
Ausria-Hungary declared war on Serbia starting a chain reaction that ended up with the major powers involved in a war. -
3 August 1914
France joined the war in the Allied side. -
1915
Italy and Bulgaria joined the war in the Allied and Central Powers sides respectively. Germany sank the american ocean liner Lusitania. -
1916
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. -
April 1917
United States joined the war in the Allied side. launched the April theses. -
February 1917
Tsar Nicholas II abdicated and Russia was proclaimed as a republic. -
October 1917
The Red Guard took the control of Petrograd and the Winter Palace and the Bolsheviks overthrew the provisional government. -
November 1917
Elections were held in Russia. Bolsheviks got only 25%. -
March 1918
The Treaty of Brest-Litovsk was signed and Russia got out the war. -
11 November 1918
Was signed an armistice that ended the war. -
January 1919
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. -
1921
The Bolsheviks won the Russian Civil War. -
1922
The USSR was formed.