Habsburg-Lothringen dynasty:
1792-1835: King Francis I
1835-1848: King Ferdinand V
1848-1916: Francis Joseph I
1916-1918: King Charles IV
Karađorđević dynasty:
1918-1921: King Peter I
1921-1934: King Alexander I
1934-1941: Prince Regent Paul
1934-1941: King Peter II
Savoy dynasty:
1941-1943: King Tomislav II
Karađorđević dynasty:
1945: King Peter II (nominally restored)