Georgia's capital was Tbilisi, and its state language was Georgian. Created on May 26, 1918, on the break-up of the Transcaucasian Federation, it was led by the Social Democratic Menshevik party. Facing permanent internal and external problems, the young state was not able to withstand the invasion by the Russian SFSR Red Armies. It collapsed between February and March of 1921 to become a Soviet republic.