1517: Luther takes the pope to task 1517: Luther takes the pope to task. ... 1519: Reformist zeal sweeps the south. ... 1520: Rome flexes its muscles. ... 1521: Luther stands firm at Worms. ... 1525: Rebels are butchered in their thousands. ... 1530: Protestants fight among themselves. ... 1536: Calvin strikes a chord with reformers.
