Cuius Regio, Eius Religio: Definition and Impact on European History
Cuius regio, eius religio is a Latin phrase that means “whose realm, his religion.” (Pronunciation: “KWEE-us REY-jee-oh, AY-us REH-lee-jee-oh.”) It is a principle that was established by the Peace of Westphalia in 1648, which...