This article lists political parties in Yugoslavia (1918 - 1991). Kingdom of Yugoslavia was a multi-party state (1918-1929, 1931-1941) and a one-party state under a royal dictatorship (1929-1931). Socialist Federal Republic of Yugoslavia was a Marxist-Leninist one-party state (1945-1948), a Titoist one-party state (1948-1990), and also a multi-party state for short period before the state dissolution (1990-1991).