| 31 Jul 1920 |
the declaration of the establishment of the independent Socialist Soviet Republic of Belarus is approved at the meeting of representatives of political parties and trade unions on 30 Jul 1920 and proclaimed at a public meeting in Minsk on 31 Jul 1920 (Soviet Belarus, No. 14, 31 Jul 1920, p. 1; Ladyseŭ–Bryhadzin, pp. 124-127) |
| 31 Jul 1920 - 11 Apr 1927 |
Socialističeskaja Sovetskaja Respublika Belorussii (Социалистическая Советская Республика Белоруссии) : (after 1924) Belorusskaja Socialističeskaja Sovetskaja Respublika (Белорусская Социалистическая Советская Республика) | Socialist Soviet Republic of Belarus : Belarusian Socialist Soviet Republic [1] |
| 29 Dec 1922 |
the Russian SFSR, Ukrainian SSR, Belarusian 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) [2] |
| 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) |
| 11 Apr 1927 |
the Constitution (Basic Law) of the Belarusian Socialist Soviet Republic is adopted by the All-Belarusian Congress of Councils held in Minsk on 11 Apr 1927 (Soviet Belarus, No. 83, 12 Apr 1927, p. 2) [3] |
| 11 Apr 1927 - 5 Dec 1936 |
Belaruskaja Sacyjalistyčnaja Saveckaja Rèspublika (Беларуская Сацыялістычная Савецкая Рэспубліка) = Belorusskaja Socialističeskaja Sovetskaja Respublika (Белорусская Социалистическая Советская Республика) = Vaysrusishe Sotsialistishe Sovetnrepublik (װײסרוסישע סאָציִאַליִסטיִשע סאָוועטנרעפּובליק) = Socjalistyczna Radziecka Republika Białorusi | Belarusian Socialist Soviet Republic [4][5] |
| 5 Dec 1936 |
the Belarusian Soviet Socialist Republic is named a constituent republic of the Union of Soviet Socialist Republics in accordance with the Constitution (Basic Law) of the USSR (Konstitucija (Osnovnoj Zakon) Sojuza Sovetskih Socialističeskih Republik | Конституция (Основной Закон) Союза Советских Социалистических Республик) adopted by the Extraordinary All-Union Congress of Councils on 5 Dec 1936 in Moscow (USSR Eighth Congress of Councils Proceedings 1936, Bulletin No. 12, pp. 38-39; USSR Eighth Congress of Councils Proceedings 1936, Constitution, pp. 1-20) [6] |
| 5 Dec 1936 - 19 Sep 1991 |
Belaruskaja Saveckaja Sacyjalistyčnaja Rèspublika (Беларуская Савецкая Сацыялістычная Рэспубліка) = (to 26 Jan 1990) Belorusskaja Sovetskaja Socialističeskaja Respublika (Белорусская Советская Социалистическая Республика) | Belarusian Soviet Socialist Republic [7] |
| 26 Jan 1990 |
Belarusian is recognized as the state language in accordance with the amendments to the Constitution of the Belarusian SSR as contained in a law passed by the Supreme Council (Vjarxoŭny Savet|Вярхоўны Савет) of the Belarusian SSR on 26 Jan 1990 (Soviet Belarus, No. 23, 27 Jan 1990, p. 1; Soviet Belarus, No. 37, 13 Feb 1990, p. 1) |
| 27 Jul 1990 |
the Belarusian SSR is proclaimed a sovereign state in accordance with a declaration adopted by the Supreme Council of the Belarusian SSR on 27 Jul 1990 (Soviet Belarus, No. 174, 28 Jul 1990, p. 1; Soviet Belarus, No. 175, 29 Jul 1990, p. 1) |
| 25 Aug 1991 |
the status of a constitutional law is approved for the Declaration of the State Sovereignty of the Belarusian SSR in accordance with a law passed by the Supreme Council of the Belarusian SSR on 25 Aug 1991 (Soviet Belarus, No. 167, 27 Aug 1991, pp. 1-2; Soviet Belarus, No. 168, 28 Aug 1991, p. 1) |
| 19 Sep 1991 |
the name of the state is changed in accordance with a law passed by Supreme Council of the Belarusian SSR on 19 Sep 1991 (Soviet Belarus, No. 188, 25 Sep 1991, p. 1) |
