Ottoman Empire -1918 Alexander I (1879-) 1879 1885 Ferdinand I | (1887-) 1901 kingdom (1908-) 1911 East Rumelia 1885
Simeon II (1943-) 1944 1945 1945 1946 republic (1946-) 1947 people's republic (1948-) 1946 1948 1948 1948 1948 1948 1948 1949 1949 1953 republic (1990-) 1999 European Union 2014