Principality of Samos was created in 1835.
Principality of Samos ended in 1912.
Samos was created in 2011.
Samos Prefecture was created in 1915.
Principality of Halberstadt was created in 1648.
Principality of Beloozero was created in 1238.
Principality of Mindelheim was created in 1467.
Principality of Wales was created in 1216.
Principality of Halych was created in 1124.
Principality of Montenegro was created in 1852.
Principality of Taranto was created in 1088.
Principality of Mingrelia was created in 1557.
Principality of Albania was created in 1914.