title: [Important date in the history of the Leninist Party (on the 75th anniversary of the 2d Congress of the Russian Social-Democratic Workers' Party)].
mesh_terms: D003148:Communism / Q000266:history*; D049673:History, 20th Century; D012425:Russia (Pre-1917)
vernacular_title: Znamenatel'naia data v istorii leninskoĭ partii (k 75-letiiu II s''ezda RSDRP).