Did the Catholics and the Protestants exist peacefully or suffer from conflicts?

The relationship between Catholics and Protestants throughout history has been marked by periods of peace as well as conflicts.

In some regions and time periods, Catholics and Protestants have coexisted peacefully, sometimes even forming alliances or intermarrying. However, there have also been significant conflicts between the two groups, especially during the Protestant Reformation in the 16th century and the subsequent wars of religion, such as the Thirty Years' War in Europe.

In more recent times, there have been efforts towards reconciliation and dialogue between Catholics and Protestants, including ecumenical movements and interfaith initiatives. Overall, the relationship between Catholics and Protestants has been complex and varied throughout history, with both periods of harmony and periods of conflict.