Principality of Beloozero was created in 1238.
Principality of Salerno was created in 851.
Principality of Göttingen was created in 1279.
Principality of Rügen was created in 1168.
The Principality of Lüneburg was created in 1269 as a result of the division of the Duchy of Brunswick-Lüneburg. It became one of several principalities formed by the partitioning of the duchy among the descendants of the Welf dynasty. Over time, it played a key role in the history of what would later become the Kingdom of Hanover.
Principality of Ryazan was created in 1129.
Principality of Bulgaria was created in 1878.
Principality of Orange was created in 1163.
Principality of Galilee was created in 1099.
Principality of the Pindus was created in 1941.
Principality of Regensburg was created in 1803.
Principality of Wales was created in 1216.
Principality of Marlborough was created in 1993.