Second RSDLP Congress splits Bolsheviks and MensheviksJul 30, 1903Labels: Second Congress, Bolsheviks, MensheviksRSDLP 2nd Cong
Bloody Sunday triggers 1905 revolutionary waveJan 22, 1905Labels: Bloody Sunday, St PetersburgBritannicaBritannica 1905
Bolsheviks convene Third RSDLP Congress in LondonApr 25, 1905Labels: Third Congress, BolsheviksRSDLP 3rd Cong
St. Petersburg Soviet formed during general strikeOct 26, 1905Labels: St Petersburg, General StrikeBritannica 1905Petersburg Soviet
Nicholas II issues October ManifestoOct 30, 1905Labels: October Manifesto, Nicholas IIBritannica 1905October Manifesto
Fourth (Unity) Congress briefly reunites factionsApr 23, 1906Labels: Fourth Congress, Unity CongressRSDLP 4th Cong
Fifth RSDLP Congress meets in LondonMay 13, 1907Labels: Fifth Congress, RSDLPRSDLP 5th CongLenin Archive
Prague Conference crystallizes Bolshevik party separationJan 5, 1912Labels: Prague Conference, LeninPrague ConfLenin Archive
Zimmerwald Conference unites anti-war socialistsSep 5, 1915Labels: Zimmerwald Conference, Zimmerwald LeftZimmerwaldLenin Archive
July Days unrest leads to crackdown on BolsheviksJul 16, 1917Labels: July Days, PetrogradBritannica JulyJuly Days
Kornilov affair boosts Bolshevik standingSep 10, 1917Labels: Kornilov Affair, KornilovKornilov affair
Bolshevik Central Committee votes for armed uprisingOct 23, 1917Labels: Central Committee, Armed UprisingCC Minutes
Second Congress of Soviets convenes amid power transferNov 7, 1917Labels: Second Congress, Soviet Power2nd CongressBritannica Rev
Decree on Peace adopted by Soviet governmentNov 8, 1917Labels: Decree on, Soviet GovernmentDecree text