High Quality Content by WIKIPEDIA articles The Principality of Rugia or Principality of R gen (German: F rstentum R gen) was a Danish principality consisting of the island of R gen and the adjacent mainland from 1168 until 1325. It was governed by a local dynasty of princes of the Wizlawiden (House of Wizlaw) dynasty. For at least part of this period, Rugia was subject to the Holy Roman Empire.
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