On November 11, 1517, Martin Luther sends his 95 Theses on the practice of indulgences to Johannes Lang, the prior of the Black Cloister of the Augustinian Hermits in Erfurt. Lang disseminates the theses in the city of Erfurt: students, teachers, citizens, monks and priests fiercely debate them. Protestant Christians experience an increased influx. In 1530, the Compact of Hammelburg is enacted, which enables both newly converted Protestants and those...