Soviet Union: Polity Style: 1922-1991 |
| 29 Dec 1922 |
the Russian SFSR, Ukrainian SSR, Byelorussian SSR and Transcaucasian SFSR constituted a federation in accordance with the Declaration of the Creation of the Union of the Soviet Socialist Republics and the Treaty on the Creation of the Union of the Soviet Socialist Republics adopted by the plenipotentiaries of the Soviet republics at the conference held on 29 Dec 1922 in Moscow (Izvestija, No. 297, 30 Dec 1922, p. 1) [1] |
| 30 Dec 1922 |
the Declaration and the Treaty on the Establishment of the Union of the Soviet Socialist Republics are approved by the Congress of Councils of the USSR held on 30 Dec 1922 in Moscow (USSR First Congress of Councils Proceedings 1922, pp. 4-12; USSR First Congress of Councils Resolutions 1922, pp. 3-7) |
| 30 Dec 1922 - 25 Dec 1991 |
Sojuz Sovetskih Socialističeskih Respublik (Союз Советских Социалистических Республик) [2] |
| 25 Dec 1991 |
the polity ceased to exist de facto following a public announcement of the President of the USSR, proclaiming his resignation on 25 Dec 1991 (Rossijskaja gazeta, No. 286-287, 26 Dec 1991, pp. 1-2) |
| 26 Dec 1991 |
the termination of existence of the Soviet Union as a state and subject of international law is recognized by a declaration adopted by the Council of Republics of the Supreme Council of the USSR (Sovet Respublik Verhovnogo Soveta SSSR|Совет Республик Верховного Совета СССР) on 26 Dec 1991 (USSR Supreme Council Records, No. 52, 25 Dec 1991, pp. 2058-2059) |
