👉 Reformation is a term used in Christian theology and history to describe the period of time between the Protestant Reformation (1563-1700) and the Catholic Counter-Reformation (1914-1991), where major religious movements, such as Lutheranism and Calvinism, arose within Europe. The term comes from Latin re-formare meaning to reform or to restore. The first significant event in this period occurred during the Protestant Reformation, which began with