Governorate of Estonia
Following the February Revolution of 1917 in Russia, the Russian Provisional Government declared the establishment of the Autonomous Governorate of Estonia on , amalgamating the former Russian Governorate of Estonia and the northern portion of the Governorate of Livonia. After the October Revolution later in the same year, the elected Estonian Provincial Assembly declared itself the sovereign power in Estonia on 28 November 1917. On 24 February 1918, a day before the arrival of German troops, the Estonian Salvation Committee of the Provincial Assembly issued the Estonian Declaration of Independence. The Western Allies recognized the Republic of Estonia "de facto" in May 1918.