This article analyzes the domestic memoirs related events 1917–21. Characterized Istpartu activity aimed at collecting evidence memoir. An important key base for researchers of the revolutionary events of 1917-1921 in Ukraine, it occupies a memorial legacy of witnesses of those turbulent years. After the defeat of the liberation struggle and the establishment of Soviet power in Ukraine, Istpartu was created in 1921. At one time, Istpartu took a leading place among the scientific institutions of Ukraine. Istpartu had its own journal, Chronicle of the Revolution, 57 issues were issued, in which memoirs were published mainly by supporters of the Soviet camp. "Chronicle of the revolution" in 1922-1935 published 168 memories of revolutionary events in Ukraine, among the authors there were 123 direct participants in those events. The activities of Istpartu at the regional level contributed to the study and publication of materials on the history of the revolution and the Civil War in Ukraine. Also, in the field, in the 1920s. local editions of regional Eastparts began to appear. Mostly these were collections of documents and memoirs, which often contain unique material that did not appear in official documents. For example, the book “Pages of the struggle. The collection of materials on the history of the revolutionary movement in Nikolaev", prepared by the Nikolaev Istpartu in 1923. In Soviet Ukraine, after the establishment of the dictatorship of the Bolsheviks, writing memoirs (with a non-Soviet perception of the past) about the revolutionary events of 1917 and the Civil War, and even more so publishing them, was practically impossible, and not only because of restrictions on archives, but also because hard censorship behind the printed word. The memoirs that were issued in those years for the “Marxist approach” are characterized by Soviet schematics and ideologically verified published material.