Treaty of Brest-Litovsk
On 3 March 1918 the Grand vizier Talat Pasha signed the Treaty of Brest-Litovsk with the Russian SFSR. It stipulated that Bolshevik Russia cede Batum, Kars, and Ardahan, which were within Armenia, to the Ottoman Empire. The First Republic of Armenia did not accept the loss of its territory, and the Treaty of Brest-Litovsk acknowledged the state of war between Armenia and the Ottoman Empire.