Lithuania and Belarus (Socialist Soviet Republic of): Polity Style: 1919

Socialist Soviet Republic of Lithuania and Belarus: Polity Style: 1919

2 Feb 1919	the merger of the Belarusian Socialist Soviet Republic and the Lithuanian Soviet Republic into a single republic is recognized a necessity in accordance with a declaration passed by the All-Belarusian Congress of Councils held in Minsk on 2 Feb 1919 (The Star, No. 364, 4 Feb 1919, p. 3) [1]
20 Feb 1919	the establishment of the Socialist Republic of Councils of Lithuania and Belarus is proclaimed in accordance with a resolution passed by the Congress of Representatives of the Councils of Workers, Landless, Small-landed and Red Army Men of Lithuania held in Vilna on 20 Feb 1919 (Komunistas (Vilna), No. 30, 28 Feb 1919, p. 2; Komunistas (Vilna), No. 32, 4 Mar 1919, p. 2) [1]
27 Feb 1919	the Central Executive Committee of Councils of Lithuania and Belarus is constituted at the meeting held in Vilna on 27 Feb 1919 and passed a declaration, appealing for international recognition of the polity (Komunistas (Vilna), No. 31, 2 Mar 1919, p. 2; Komunistas (Vilna), No. 32, 4 Mar 1919, p. 2)
27 Feb 1919 - Aug 1919	Socialističeskaja Sovetskaja Respublika Litvy i Belorussii (Социалистическая Советская Республика Литвы и Белоруссии) = Lietuvos ir Baltarusijos Socialistinė Tarybų Respublika \| Socialist Soviet Republic of Lithuania and Belarus [2][3]
28 Feb 1919	the name of the state is approved by a resolution of the Council of People's Commissars of the Socialist Soviet Republic of Lithuania and Belarus held in Vilna between 22.00 28 Feb 1919 and 01.00 1 Mar 1919 (Struggle for Soviet Power in Belarus, 2:38-40; Komunistas (Vilna), No. 32, 4 Mar 1919, p. 3; The Star, No. 389, 5 Mar 1919, p. 2) [4]
Aug 1919	the Socialist Soviet Republic of Lithuania and Belarus ceased to exist de facto after a series of military defeats and the occupation of Minsk (8 Aug 1919) and Babruysk (28 Aug 1919) by the armed forces of Poland

The joint declaration of the establishment of the Socialist Soviet Republic of Lithuania was never issed. The All-Belarusian Congress of Councils passed a declaration (Russian: Deklaracija o slijanii s Litovskoj Sovetskoj Respublikoj | Декларация о слиянии с Литовской Советской Республикой), which recognized "the necessity of immediate merger" (2 Feb 1919). The Congress of Representatives of the Councils of Lithuania adopted a resolution (Lithuanian: Rezoliucija dėl Lietuvos suvienijimo su Baltarusija), solemnly proclaiming the establishment of the Socialist Republic of Councils of Lithuania and Belarus (20 Feb 1919).
Russian was the language used by the state authorities of the Socialist Soviet Republic of Lithuania and Belarus. The legislative acts were printed in Russian and Lithuanian, while Belarusian was neither given any status, nor used for official purposes.
This style and its variations is documented as most common in official use. Literally (Lithuanian): Socialist Republic of Councils of Lithuania and Belarus.
The name of the republic as approved in the published minutes of the Council (in Russian): Socialističeskaja Respublika Litvy i Belorussii (Социалистическая Республика Литвы и Белоруссии), the name of the government: raboče-krest'janskoe pravitel'stvo Socialističeskoj Sovetskoj Respubliki Litvy i Belorussii (рабоче-крестьянское правительство Социалистической Советской Республики Литвы и Белоруссии). It was reported in Lithuanian official daily newspaper, Komunistas (Vilna), as Socialistinė Lietuvos ir Baltarusijos Tarybų Respublika.