The 23rd Congress of the Communist Party of the Soviet Union (CPSU) that was held from March 29 until April 8, 1966 at the Kremlin Palace of Congresses, now the State Kremlin Palace. From right: Chairman of the Council of Ministers of the USSR Alexei Kosygin, First Secretary of the CPSU's Leningrad Regional Committee Vasily Tolstikov, First Secretary of the CPSU's Central Committee Leonid Brezhnev, Secretary of the CPSU's Central Committee Mikhail Suslov and President of the Presidium of the USSR Supreme Soviet (Parliament) during ceremony of presenting a scarlet pennant, the symbol of friendship, to General Secretary of the central Committee of the Communist Party of Vietnam Le Duan.
