<Table> <Tr> <Td_colspan="3"> Ukrainian Soviet Socialist Republic </Td> </Tr> <Tr> <Td_colspan="3"> Ukrainian: Українська Радянська Соціалістична Республіка Russian: Украинская Советская Социалистическая Республика </Td> </Tr> <Tr> <Td_colspan="3"> Independent state (1919--1922, 12--25 December 1991) Union Republic of the USSR (1922--1990) Union Republic with priority of Ukrainian legislation (1990--1991) </Td> </Tr> <Tr> <Td_colspan="3"> <Table> <Tr> <Td> </Td> <Td> 1919--1991 1941--1944: German occupation </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="3"> Flag State Emblem </Td> </Tr> <Tr> <Td_colspan="3"> Motto Пролетарі всіх країн, єднайтеся! (Ukrainian) "Proletari vsikh krayin, yednaitesia!" (transliteration) "Workers of the world, unite!" </Td> </Tr> <Tr> <Td_colspan="3"> Anthem Державний гімн Української Радянської Соціалістичної Республіки (Ukrainian) Derzhavnyy himn Ukrayins'koyi Radyans'koyi Sotsialistychnoyi Respubliky (transliteration) </Td> </Tr> <Tr> <Td_colspan="3"> Location of the Ukrainian SSR within the Soviet Union from 1954 </Td> </Tr> <Tr> <Td_colspan="2"> Capital </Td> <Td> Kharkiv (1919--1934) Kiev (1934--1991) </Td> </Tr> <Tr> <Td_colspan="2"> Languages </Td> <Td> Ukrainian (official since 1990) Languages: Ukrainian Russian </Td> </Tr> <Tr> <Td_colspan="2"> Government </Td> <Td> Unitary Marxist - Leninist one - party Soviet - style socialist republic </Td> </Tr> <Tr> <Td_colspan="2"> First Secretary </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> 1918--1919 (first) </Td> <Td> Emanuel Kviring </Td> </Tr> <Tr> <Td> </Td> <Td> 1990--1991 (last) </Td> <Td> Stanislav Hurenko </Td> </Tr> <Tr> <Td_colspan="2"> Head of government </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> 1919--1923 (first) </Td> <Td> Christian Rakovsky </Td> </Tr> <Tr> <Td> </Td> <Td> 1988--1991 (last) </Td> <Td> Vitold Fokin </Td> </Tr> <Tr> <Td_colspan="2"> Head of state </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> 1919--1938 (first) </Td> <Td> Grigory Petrovsky </Td> </Tr> <Tr> <Td> </Td> <Td> 1990--1991 (last) </Td> <Td> Leonid Kravchuk </Td> </Tr> <Tr> <Td_colspan="2"> Legislature </Td> <Td> Supreme Soviet </Td> </Tr> <Tr> <Td_colspan="2"> Historical era </Td> <Td> 20th century </Td> </Tr> <Tr> <Td> </Td> <Td> Declaration of the Ukrainian Soviet republic </Td> <Td> 10 March 1919 </Td> </Tr> <Tr> <Td> </Td> <Td> Admitted to USSR </Td> <Td> 30 December 1922 </Td> </Tr> <Tr> <Td> </Td> <Td> Annexation of Western Ukraine from Nazi Germany </Td> <Td> 15 November 1939 </Td> </Tr> <Tr> <Td> </Td> <Td> Admitted to the United Nations </Td> <Td> 24 October 1945 </Td> </Tr> <Tr> <Td> </Td> <Td> Priority of Ukrainian laws declared, Soviet laws partially abolished </Td> <Td> 10 July 1990 </Td> </Tr> <Tr> <Td> </Td> <Td> Declaration of independence, Ukrainian SSR renamed to Ukraine </Td> <Td> 24 August 1991 </Td> </Tr> <Tr> <Td> </Td> <Td> Ukrainian independence referendum </Td> <Td> 1 December 1991 </Td> </Tr> <Tr> <Td> </Td> <Td> Ratification of agreement to dissolve the Soviet Union </Td> <Td> 10 December 1991 </Td> </Tr> <Tr> <Td> </Td> <Td> Dissolution of the Soviet Union (Ukraine's independence formally recognized) </Td> <Td> 26 December 1991 </Td> </Tr> <Tr> <Td> </Td> <Td> Soviet government officially abolished (New constitution) </Td> <Td> 28 June 1996 </Td> </Tr> <Tr> <Td_colspan="3"> Area </Td> </Tr> <Tr> <Td> </Td> <Td> 1989 census </Td> <Td> 603,700 km (233,100 sq mi) </Td> </Tr> <Tr> <Td_colspan="3"> Population </Td> </Tr> <Tr> <Td> </Td> <Td> 1989 census est . </Td> <Td> 51,706,746 </Td> </Tr> <Tr> <Td_colspan="2"> Density </Td> <Td> 86 / km (222 / sq mi) </Td> </Tr> <Tr> <Td_colspan="2"> Currency </Td> <Td> Soviet karbovanets </Td> </Tr> <Tr> <Td_colspan="2"> Calling code </Td> <Td> + 7 03 / 04 / 05 / 06 </Td> </Tr> <Tr> <Td_colspan="3"> <Table> <Tr> <Td> Preceded by </Td> <Td> Succeeded by </Td> </Tr> <Tr> <Td> <Table> <Tr> <Td> </Td> <Td> Ukrainian People's Republic </Td> </Tr> <Tr> <Td> </Td> <Td> Second Polish Republic </Td> </Tr> <Tr> <Td> </Td> <Td> Kingdom of Romania </Td> </Tr> <Tr> <Td> </Td> <Td> Reichskommissariat Ukraine </Td> </Tr> <Tr> <Td> </Td> <Td> General Government </Td> </Tr> <Tr> <Td> </Td> <Td> Polish People's Republic </Td> </Tr> <Tr> <Td> </Td> <Td> Carpathian Ruthenia </Td> </Tr> <Tr> <Td> </Td> <Td> Crimean Oblast </Td> </Tr> </Table> </Td> <Td> <Table> <Tr> <Td> Kingdom of Romania </Td> <Td> </Td> </Tr> <Tr> <Td> Moldavian Soviet Socialist Republic </Td> <Td> </Td> </Tr> <Tr> <Td> Reichskommissariat Ukraine </Td> <Td> </Td> </Tr> <Tr> <Td> General Government </Td> <Td> </Td> </Tr> <Tr> <Td> Polish People's Republic </Td> <Td> </Td> </Tr> <Tr> <Td> Ukraine </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> Today part of </Td> <Td> Ukraine Russia (some parts disputed) Moldova Poland </Td> </Tr> <Tr> <Td> a . </Td> <Td_colspan="2"> Law of Ukraine "About languages of the Ukrainian SSR" </Td> </Tr> <Tr> <Td_colspan="3"> Order of Lenin Four Hero City awards </Td> </Tr> </Table> <Tr> <Td_colspan="3"> Ukrainian Soviet Socialist Republic </Td> </Tr>

When did ukraine become part of soviet union
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