History of Protestantism History of Protestantism Protestantism originated from work of several theologians starting in the 12th century, although there could have been earlier cases of which there is no surviving evidence. Any prominent dissent was subject to persecution by the Roman Catholic Church, and thus attempts to change anything in the Catholic Church were kept isolated or effectively eradicated up to the 16th century. One of the early Protestant Reformers was John Wycliffe, an English theologian and early proponent of reform in the 14th century. His followers, known as Lollards, spread throughout England but soon were persecuted by both the Catholic Church
Christianity in the 16th century subsequently by successors, associates, followers and admirers of Calvin and his interpretation of Scripture, and perspective on Christian life and theology. Calvin's system of theology and Christian life forms the basis of the Reformed tradition, a term roughly equivalent to "Calvinism". The Reformed tradition was originally advanced by stalwarts such as Martin Bucer, Heinrich Bullinger and Peter Martyr Vermigli, and also influenced English reformers such as Thomas Cranmer and John Jewel. However, because of Calvin's great influence and role in the confessional and ecclesiastical debates throughout the 17th century, this Reformed movement generally became known as Calvinism. Today, this term