Principality of Regensburg ended in 1810.
Principality of Regensburg was created in 1803.
Regensburg ended in 1803.
Bishopric of Regensburg ended in 1803.
Regensburg Synagogue ended in 1938.
Principality of Rügen ended in 1325.
Principality of Svaneti ended in 1857.
Principality of Guria ended in 1829.
Principality of Ryazan ended in 1521.
Principality of Bulgaria ended in 1908.
Principality of Orange ended in 1713.
Principality of Galilee ended in 1187.
Principality of the Pindus ended in 1944.