Following the breakdown of the Tsarist regime in Russia, South Ossetians allied with the Russian Bolsheviks, fighting a war against the newly independent Menshevik Georgia. Initially Georgia was successful, but in 1921, the Red Army conquered the country. South Ossetia became an autonomous oblast in the Soviet republic of Georgia. During the Soviet period, relations between ethnic Ossetians and Georgians were peaceful, with a high rate of interaction and intermarriages.