Workers protest shortages and political restrictions in Petrograd

The Second Congress of the Communist International opened and debated the relationship between socialist revolution, national liberation and colonial movements. Lenin’s theses argued that communists...

Polish forces halted and pushed back the Red Army near Warsaw during the Polish-Soviet War. The conflict involved competing claims over Ukraine and Belarus, revolutionary strategy and the borders left...

Poland and Soviet Russia and Ukraine signed a preliminary peace agreement ending major fighting in the Polish-Soviet War. The border settlement divided Ukrainian and Belarusian lands and constrained...

General Pyotr Wrangel’s remaining White forces evacuated Crimea after defeat by the Red Army. The evacuation ended the last major White military front in European Russia, but was followed by mass...

The Armenian Soviet government was proclaimed after Red Army entry and the fall of the independent Armenian republic, which had faced war, famine, displacement and territorial conflict. Soviet rule...

The Red Army entered Tbilisi and a Georgian Soviet republic was proclaimed, ending the Menshevik-led Democratic Republic of Georgia. Soviet leaders described the change as revolutionary liberation;...

The Soviet-Persian Treaty of Friendship repudiated many privileges and concessions obtained by the Russian Empire in Persia and declared a new basis for relations. This anti-imperial gesture...

Sailors and residents of Kronstadt adopted resolutions calling for new soviet elections, freedom for socialist parties and an end to certain coercive policies. The rebels included people who had...

The Russian Communist Party’s Tenth Congress met as the Kronstadt rebellion was underway and the economy was in crisis. It adopted the New Economic Policy and banned factions within the party. The...

The Tenth Party Congress approved the New Economic Policy (NEP), replacing compulsory grain requisition with a tax in kind and permitting limited private trade. It responded to peasant resistance,...