[90th anniversary of the first Congress of the Russian Social Democratic Workers' Party].
D003148:Communism / Q000266:history*; D003226:Congresses as Topic / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010820:Physicians / Q000266:history*; D012425:Russia (Pre-1917)
K 90-letiu so dnia pervogo s''ezda RSDRP.