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Was a defensive campaign of the Estonian Army and its allies, most notably the White Russian Northwestern Army, Latvia, and the United Kingdom, against the Soviet Western Front offensive and the aggression of the Baltische Landeswehr.
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The Polish–Soviet War began and continued to March 1921. It was an armed conflict between Soviet Russia and Soviet Ukraine against the Second Polish Republic and the Ukrainian People's Republic, four states in post-World War I Europe.
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Was a prolonged naval operation conducted by the Allied Powers during and after World War
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Soviet Russia signed the Treaty of Tartu, renouncing all claims on Estonian territory.
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The Treaty of Riga was signed. Soviet Russia renounced all claims on Latvian territory.
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The economic planning committee of the Soviet Union, was created by a decree of the Sovnarkom.
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Poland and Soviet Russia signed the Peace of Riga, ending the war. The disputed territories were divided between Poland, Russia and the newly reestablished Ukrainian and Byelorussian SSRs.
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The Eleventh Communist Party Congress established the office of the General Secretary of the Communist Party and appointed Joseph Stalin to fill it.
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The Russian and Transcaucasian SFSRs and the Byelorussian and Ukrainian SSRs, under the power of the Union of Soviet Socialist Republics.
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A council of the pro-government Living Church declared Tikhon an apostate and abolished the Patriarchate.
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The Declaration echoed earlier concerns expressed by Leon Trotsky, the Chairman of the Revolutionary Military Council, that the Communist Party was insufficiently democratic.
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Recruited as immigrants to Russia in the 18th century, they were allowed to maintain their German culture, language, traditions and churches
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Communist state in East Asia which existed between 1924 and 1992.
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April 1925: Nikolai Bukharin introduces the thesis of "Socialism in One Country" that is adopted by Stalin against Trotsky's "Permanent Revolution"
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The Fourteenth Party Congress endorsed the leadership of Stalin and his rightist ally Nikolai Bukharin, soundly defeating the New Opposition faction of Kamenev and Zinoviev.