The roots of the first national republic was achieved by the Armenians under Russian control which devised a national congress in October 1917. The convention in Tiflis was concluded in September 1917 with delegates from former Romanov realm (203), which 103 belonged to the ARF. On March 3, 1918, the Russians followed the armistice of Erzincan with the Treaty of Brest-Litovsk, and left the war, with territorial losses. From March 14 to April 1918, when a conference was held between the Ottoman Empire and the delegation of the Seim. When the first Republic of Armenia (First Republic of Armenia) was proclaimed in 1918, the ARF became the ruling party.