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Martial law declared in the Russian Empire -
Declaration of war by Austria-Hungary on Serbia begins the first World War -
Tsar Nicholas II leaves the Russian heartland for the wartime front -
The Brusilov Offensive signifies the last major Russian military success of the war -
The Menshevicks call for nation-wide revolution in Russia -
The June Offensive fails, further exacerbating Russian hardship caused by an increasingly costly war -
General Lavr Kornilov attempts to seize control of power from the Provisional Government in what is deemed the Kornilov Affair -
The February Revolution begins in Saint Petersburg on International Women's Day and the Provisional Government is established as the ruling administrative power in the empire -
The Tsar orders the use of violence to quell civil unrest -
Soldiers mutiny against the government and the Petrograd Soviet is formed -
Tsar Nicholas II abdicates the throne -
Lenin publishes his April Theses condemning the Provisional Government for its incapacity to call an end to the "imperialist" war that Russia found itself in and calls for further revolution in Russia -
Provisional forces move against the Bolsheviks in Saint Petersburg -
Bolshevik revolutionaries storm the Winter Palace and seize control of power from the Provisional Government -
The Russian Civil War rages until the Bolsheviks consolidate power, forming the Union of Soviet Socialist Republics on December 30, 1922
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The Treaty of Brest-Litovsk is signed, withdrawing Russia from the First World War, ceding much of the former territory of the Russian Empire