Republic of Armenia Հայաստանի Հանրապետութիւն
1918–1920
Anthem:
Territory held by Armenia and the Karabakh Council at some point      Territories of Armenia Occupied by Neighboring States      Area given to Armenia by the Treaty of Sèvres, which was not ratified and never entered into force.
Capital	Yerevan
Common languages	Armenian
Religion	Armenian Apostolic
Government	Parliamentary republic
Prime Minister
• Jun 1918–May 1919	Hovhannes Kajaznuni
• May 1919–May 1920	Alexander Khatisian
• May–Nov 1920	Hamo Ohanjanyan
• Nov–Dec 1920	Simon Vratsian
Historical era	Interwar period
•	May 28 1918
• Act of United Armenia	May 28, 1919
•	December 2 1920
Area
mid-1918 (after the Treaty of Batum)	Lua error in Module:Convert at line 1850: attempt to index local 'en_value' (a nil value).
1919 (after the Armistice of Mudros)	Lua error in Module:Convert at line 1850: attempt to index local 'en_value' (a nil value).
1920 (per the Treaty of Sèvres; never realized)	Lua error in Module:Convert at line 1850: attempt to index local 'en_value' (a nil value).
Population
• mid-1918 (after the Treaty of Batum)	500000
• 1919 (after the Armistice of Mudros)	1300000
Currency	Armenian ruble
ISO 3166 code	AM
Preceded by Succeeded by Transcaucasian Democratic Federative Republic Republic of Mountainous Armenia Armenian Soviet Socialist Republic Turkey

The First Republic of Armenia, 1918–1920, was the first modern establishment of an Armenian republic. The country was created after the Russian Tsarist empire that began with the Russian Revolution of 1917 that lost power. Its creation with borders were the Democratic Republic of Georgia in the north, the Ottoman Empire to the west, the Persian Empire to the south, and Azerbaijan Democratic Republic to the east.