Ukraine: Polity Style: 1917-1920

10/22 Jun 1917	the autonomy of Ukraine is declared in accordance with an act approved by the Committee of the Central Rada on 10/22 Jun 1917 and proclaimed at the session of the All-Ukrainian Military Congress (Vseukrajinsʹkyj vijsʹkovyj zjizd \| Всеукраїнський військовий з’їзд) on 10/22 Jun 1917 in Kyiv (Workers' Newspaper, No. 59, 13 Jun 1917, p. 1; Workers' Newspaper, No. 60, 14 Jun 1917, pp. 2-3; Central Rada News, No. 9, May 1917, pp. 1-2; Central Rada: Documents and Materials, 1:101-105) [1]
7/20 Nov 1917	nine regions of Russia, "predominantly populated by the Ukrainian people", are proclaimed a people's republic as part of the Russian Republic in accordance with an act passed by the Little Rada (Mala Rada\|Мала Рада) on 7/20 Nov 1917 in Kyiv (New Rada, No. 180, 8 Nov 1917, p. 3; New Rada, No. 181, 9 Nov 1917, pp. 1-2; Government Bulletin, No. 2, 23 Nov 1917, p. 1; Central Rada: Documents and Materials, 1:396-401) [2]
7/20 Nov 1917 - 16/29 Apr 1918	Ukrajinsʹka Narodna Respublika (Українська Народна Республіка) = Ukrainskaja Narodnaja Respublika (Украинская Народная Республика) \| Ukrainian People's Republic
12/25 Jan 1918	the Ukrainian People's Republic is proclaimed an independent and sovereign state in accordance with an act approved by the Little Rada (Mala Rada\|Мала Рада) on 12/25 Jan 1918 in Kyiv (New Rada, No. 9, 13 Jan 1918, pp. 1-2; Government Bulletin, No. 3, 13 Jan 1918, p. 1; Central Rada: Documents and Materials, 2:101-104) [3][4]
29 Apr 1918	Ukraine is proclaimed a state ruled by a hetman (hetʹman\|гетьман) in accordance with the laws promulgated by the Hetman of Ukraine on 29 Apr 1918 (State Bulletin. No. 1, 16 May 1918, pp. 1-2) [5]
29 Apr 1918 - 14 Dec 1918	Ukrajinsʹka Deržava (Українська Держава) \| Ukrainian State
15 Nov 1918	the Ukrainian People's Republic is re-established with the creation of the Directory (Dyrektorija\|Директорія) of the Ukrainian People's Republic announced in a proclamation of 15 Nov 1918 (Ukrainian People's Republic Bulletin (Directory), No. 1, 17 Nov 1918, p. 1)
15 Nov 1918 - 14 Nov 1920	Ukrajinsʹka Narodna Respublika (Українська Народна Республіка) \| Ukrainian People's Republic
14 Dec 1918	the Ukrainian State ceased to exist de facto as a result of military revolt, resulting in the abdication of the Hetman of Ukraine on 14 Dec 1918
1 Dec 1918	a pre-accession agreement on the further unification of the Ukrainian People's Republic and the West Ukrainian People's Republic into a single state is signed by the representatives of the two republics on 1 Dec 1918 in Fastiv (New Life, No. 4, 4 Jan 1919, pp. 3-4; West Ukrainian People's Republic 1918-1923, 5.1:25-27) [6]
3 Jan 1919	the approval of the pre-accession agreement and the unification of the West Ukrainian People's Republic and the Ukrainian People's Republic into a single people's republic is proclaimed in accordance with a resolution passed by the Ukrainian National Council on 3 Jan 1919 in Stanyslaviv (now Ivano-Frankivsk) (West Ukrainian Law Collection, No. 1, 31 Jan 1919, p. 1)
22 Jan 1919	the unification of the West Ukrainian People's Republic and the Ukrainian People's Republic into a single state is proclaimed in accordance with an act approved by the Directory of the Ukrainian People's Republic on 22 Jan 1919, publicly proclaimed at a ceremony held on 22 Jan 1919 in Kyiv (Ukrainian People's Republic Bulletin (Directory), No. 1, 25 Jan 1919, p. 1; New Rada, No. 16, 11/24 Jan 1919, p. 3; New Life, No. 21, 29 Jan 1919, p. 1; Directory and Council of People's Ministers, 1:203-204, 2:441) [7]
14 Nov 1920	the Ukrainian People's Republic ceased to exist de facto after the government was forced to leave the temporary capital, Kamianets-Podilskyi, on 14 Nov 1920 [8]

Full title as printed in Central Rada News: Universal Ukrajinsʹkoji Centralʹnoji Rady do ukrajinsʹkoho narodu, na Ukrajini j po-za Ukrajinoju suščoho (Універсал Української Центральної Ради до українського народу, на Україні й по-за Україною сущого), historically known as the First Universal.
Full title as printed in Government Bulletin (Ukrainian): Universal Ukrajinsʹkoji Centralʹnoji Rady (Універсал Української Центральної Ради), (Russian): Universal Ukrainskoj Central'noj Rady (Универсал Украинской Центральной Рады), historically known as the Second Universal. The regions constituting the Ukrainian People's Republic were listed as geographical areas with the following administrative centers: Kyiv, Vinnytsia, Zhytomyr, Chernihiv, Poltava, Kharkiv, Katerynoslav (now Dnipro), Kherson, and part of the former Tavrida governorate ("without Crimea").
Full title as printed in Government Bulletin (Ukrainian): Universal Ukrajinsʹkoji Centralʹnoji Rady (Універсал Української Центральної Ради), historically known as the Fourth Universal.
The sesssion of the Little Rada, which approved the declaration of independence, began at about 01:00 12/25 Jan 1918 (Central Rada: Documents and Materials, 2:101-102). The printed version of the declaration, appearing in Government Bulletin, was backdated to 9/22 Jan 1918.
Full title: Zakony pro tymčasovyj Deržavnyj ustrij Ukrajiny (Закони про тимчасовий Державний устрій України).
Full title (contemporary spelling): Peredvstupnyj dohovir zaključenyj dnja 1. hrudnja 1918. u m. Xvastovi miž Ukrajinsʹkoju Narodnʹoju Republikoju i Zaxidno-Ukrajinsʹkoju Narodnʹoju Republikoju pro majuču nastupyty zluku syx obox ukrajinsʹkyx deržav v odnu deržavnu odynycju (Передвступний договір заключений дня 1. грудня 1918. у м. Хвастові між Українською Народньою Републікою і Західно-Українською Народньою Републікою про маючу наступити злуку сих обох українських держав в одну державну одиницю).
Full title: Universal Dyrektoriji Ukrajinsʹkoji Narodnoji Respubliky (Універсал Директорії Української Народної Республіки). The unification was approved by the Council of People's Ministers of the Ukrainian People's Republic at a meeting held between 23:45 21 Jan 1919 and 00:30 22 Jan 1919.
After a series of military defeats in the war with Russia, the Council of People's Ministers abandoned the temporary capital, Kamianets-Podilskyi, on 9 Jul 1920 and crossed the border on 16 Jul 1920, effectively becoming a government-in-exile. The Council briefly returned to Ukraine, resuming its operations in Kamianets-Podilskyi on 11 Nov 1920, but was forced to leave on 14 Nov 1920 and moved to the territory of Poland shortly after.