POLAND
Republic of Poland (1989 - )
Polish People's Repubic (1947 - 1989)
Republic of Poland (1945 - 1947)
Provisional Government of the Republic of Poland (1944 - 1945)
Great German Reich (1939 - 1944)
Republic of Poland (1918 - 1939)
Kingdom of Poland (1916 - 1918)
Kingdom of Poland (1815 - 1915)
Duchy of Warsaw (1807 - 1815)