27th Congress of the CPSU (February 25, 1986—March 6, 1986) was held in Moscow. It was held after the deathes of Leonid Brezhnev, Yuri Andropov and Konstantin Chernenko. Mikhail Gorbachev was the General Secretary of the Central Committee of the CPSU. Congress gathered 4993 delegates. The Congress of the CPSU was the gathering of the delegates of the Communist Party of the Soviet Union and its predecessors. ... February 25 is the 56th day of the year in the Gregorian calendar. ... 1986 (MCMLXXXVI) was a common year starting on Wednesday of the Gregorian calendar. ... March 6 is the 65th day of the year in the Gregorian calendar (66th in leap years). ... 1986 (MCMLXXXVI) was a common year starting on Wednesday of the Gregorian calendar. ... Position of Moscow in Europe Coordinates: Country District Subdivision Russia Central Federal District Federal City Government  - Mayor Yuriy Luzhkov Area  - City 1,081 km²  (417. ... Leonid Ilyich Brezhnev Russian: ; January 1, 1907 [O.S. December 19, 1906] – November 10, 1982) was the effective ruler of the Soviet Union from 1964 to 1982, at first in partnership with others. ... Yuri Vladimirovich Andropov (Russian: Ю́рий Влади́мирович Андро́пов; 15 June [O.S. 2 June] 1914 – February 9, 1984) was a Soviet politician and General Secretary of the CPSU from November 12, 1982 until his death just sixteen months later. ... Konstantin Ustinovich Chernenko (Russian: ; September 24, 1911 – March 10, 1985) was a Soviet politician and General Secretary of the CPSU who led the Soviet Union from February 13, 1984 until his death just thirteen months later. ... Mikhail Sergeyevich Gorbachev (Russian: ), surname more accurately romanized as Gorbachyov; born March 2, 1931) is a Russian politician. ... The term General Secretary (alternatively First Secretary) denotes a leader of various unions, parties or associations. ... The Central Committee, abbreviated in Russian as ЦК, Tseka, was the highest body of the Communist Party of the Soviet Union (CPSU). ...

On agenda:

• CC CPSU Report and the Party objectives
• New Party Statute release
• Political report of CC CPSU
• CPSU Central Revisional Commission report
• Report About the economic and social developmen of the USSR on 1986-1990 and in 2000 perspective
• Elections of the central Party organs

This Congress became the penultimate in the history of the CPSU. History of the Communist Party of the Soviet Union was to a significant degree determined by a person who was the head of the party in particular periods of time. ...