In what ways was the credo “cuius regio, eius religio” (‘whose realm, his religion’) challenged in the sixteenth century?

The Latin adage ‘cuius regio, eius religio’, which translates as ‘whose realm, his religion’, suggests that it was the religion of the ruler that determined the faith of the inhabitants of a kingdom. However, it is commonly known that periods in English history, such as the sixteenth century, offered turbulent times in politics and religion, … Continue reading In what ways was the credo “cuius regio, eius religio” (‘whose realm, his religion’) challenged in the sixteenth century?