Principality of the Pindus was created in 1941.
Principality of the Pindus ended in 1944.
Pindus National Park was created in 1966.
Principality of Arbër was created in 1190.
Principality of Salm was created in 1802.
Principality of Gjirokastër was created in 1386.
Principality of Krk was created in 1451.
Principality of Samos was created in 1835.
Principality of Halberstadt was created in 1648.
Principality of Beloozero was created in 1238.
Principality of Halych was created in 1124.
Principality of Montenegro was created in 1852.
Principality of Taranto was created in 1088.