| 12/25 Dec 1917 |
Ukraine is proclaimed a republic of Councils and a federative unit of the Russian Republic in accordance with the resolutions passed by the All-Ukrainian Congress of Councils at the meeting held on 12/25 Dec 1917 in Kharkiv (News of the South, No. 222, 14/27 Dec 1917, p. 3; News of the South, No. 223, 15/28 Dec 1917, p. 3) [1] |
| 19 Mar 1918 |
the Ukrainian People's Republic is proclaimed a self-dependent republic of Councils (Russian: samostojatel'naja Sovetskaja Respublika | самостоятельная Советская Республика) in accordance with a resolution passed by the All-Ukrainian Congress of Councils at the meeting held on 19 Mar 1919 in Yekaterinoslav (now Dnipro, Ukraine) (News of the South, No. 29, 22 Mar 1919, p. 3) |
| 21 Mar 1918 |
the Central Executive Committee and the People's Secretariat of the Ukrainian People's Republic left Yekaterinoslav and moved to Taganrog located on the territory claimed by the Don Soviet Republic, part of the Russian SFSR, becoming a government-in-exile (Ukrainian People's Republic Bulletin (CEC - Russian), No. 47, 9/22 Mar 1918, p. 3) |
| 6 Jan 1919 |
the name of the state is established in accordance with a decree of the Provisional Government approved on 6 Jan 1919 (Izvestija Vremennogo Raboče-Krest'janskogo Pravitel'stva Ukrainy i H.S.R.D, No. 19, 14 Jan 1919; Ukrainian SSR Decrees and Orders Collection 1919, No. 2, 16 Jan 1919, p. 20) |
| 6 Jan 1919 - 5 Dec 1936 |
Ukrajinsʹka Socialistyčna Radjansʹka Respublika (Українська Соціалістична Радянська Республіка) = Ukrainskaja Socialističeskaja Sovetskaja Respublika (Украинская Социалистическая Советская Республика) | Ukrainian Socialist Soviet Republic |
| 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) [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) |
| 5 Dec 1936 |
the Ukrainian Soviet Socialist Republic is named a constituent republic of the Union of the Soviet Socialist Republics in accordance with the Constitution (Basic Law) of the USSR (Konstitucija (Osnovnoj Zakon) Sojuza Sovetskih Socialističeskih Respublik | 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) [3] |
| 5 Dec 1936 - 24 Aug 1991 |
Ukrajinsʹka Radjansʹka Socialistyčna Respublika (Українська Радянська Соціалістична Республіка) = (to 1 Jan 1990) Ukrainskaja Sovetskaja Socialističeskaya Respublika (Украинская Советская Социалистическая Республика) | Ukrainian Soviet Socialist Republic |
| 1 Jan 1990 |
Ukrainian is recognized as the state language in accordance with a law passed by the Supreme Council (Verxovna Rada|Верховна Рада) of the Ukrainian SSR on 28 Oct 1989, effective on the date (1 Jan 1990) specified by a resolution of the Supreme Council of 28 Oct 1989 (Ukrainian SSR Supreme Council Records - Ukrainian edition, 1989, No. 45 Supplement, Art. 631-632; Truth of Ukraine, No. 253, 3 Nov 1989, pp. 1-2) |
| 16 Jul 1990 |
the state sovereignty of Ukraine is proclaimed in accordance with a declaration passed by the Supreme Council of the Ukrainian SSR on 16 Jul 1990 (Ukrainian SSR Supreme Council Records - Ukrainian edition, 1990, No. 31, Art. 429; Truth of Ukraine, No. 162, 17 Jul 1990, p. 1) |
| 24 Aug 1991 |
Ukraine is proclaimed an independent sovereign state in accordance with an act and a resolution passed by the Supreme Council of the Ukrainian SSR on 24 Aug 1991 (Ukrainian SSR Supreme Council Records - Ukrainian edition, 1991, No. 38, Art. 502; Truth of Ukraine, No. 165, 31 Aug 1991, p. 1) |
