1976 Event Leonid Brezhnev opens 25th congress of CPSU 1961 Event 22nd congress of CPSU opens in Moscow 1956 Event 20th Congress of CPSU closes in Moscow 1956 Event 20th Congress of CPSU opens in Moscow 1937 Event Bucharin, Jagoda and Rykov pushed out of CPSU in U.S.S.R. 1926 Event 15th party congress CPSU ends/5 year plan begins 1925 Event 14th congress of CPSU decides to accelerate industry 1902 Birthday Georgy M Malenkov, Stalin's successor as head of CPSU, PM, 1953-55 1899 Birthday Arvid Pelshe, Latvian Communist leader, CPSU Politburo member