Question: when did the soviet union join the un
Answer: Union of Soviet Socialist Republics United Nations membership Membership Former full member Dates 1945 ( 1945 ) -- 1991 ( 1991 ) UNSC seat Permanent Ambassadors Andrei Gromyko 1946 -- 1948 Yakov Malik 1948 -- 1952 Valerian Zorin 1952 -- 1953 Andrey Vyshinsky 1953 -- 1954 Arkady Sobolev 1955 -- 1960 Valerian Zorin 1960 -- 1963 Nikolai Fedorenko 1963 -- 1968 Yakov Malik 1968 -- 1976 Oleg Troyanovsky 1976 -- 1986 Yuri Dubinin 1986 Alexander Belonogov 1986 -- 1990 Yuli Vorontsov 1990 -- 1991 ( last )