In Protestant Reformation history, confessionalization is the parallel processes of "confession-building" taking place in Europe between the Peace of Augsburg (1555) and the Thirty Years' War (1618–1648). For most of this time, there was a nominal peace in the Holy Roman Empire between the Protestant and Catholic confessions as both competed to establish their faith more firmly with the population of their respective areas. This confession-building occurred through "social-disciplining," as there was a stricter enforcement by the churches of their particular rules for all aspects of life in both Protestant and Catholic areas. This had the consequence of creating distinctive confessional identities that influenced church dogma, faith formation, liturgy, and the development of universities.