Treaty of Brest-Litovsk
peace treaty between the Soviet Union and the Central Powers (3 March 1918)
The Treaty of Brest Litovsk was signed on March 3, 1918 between the new Bolshevik government of Russia and the Central Powers (German Empire, Austria-Hungary, Bulgaria and the Ottoman Empire). Russia lost much of its territtory by the treaty, which effectively ended its involvement in World War I.