William the Silent of Orange-Nassau converted to this sect before liberating the Netherlands.
Though not Byzantine iconoclasts, mobs of this religious sect carried out the Beeldenstorm riots to smash religious images. The founder of this sect burned Michael Servetus at the stake for anti-Trinitarian views. William the Silent of Orange-Nassau converted to this sect before liberating the Netherlands. This religion was added as a legal option for princes to choose in the Peace of Westphalia. Its namesake founder ran a theocratic government in Geneva. For 10 points, name this Christian sect that included France's Huguenots and believed in predestination.
Though not Byzantine iconoclasts, mobs of this religious sect carried out the Beeldenstorm riots to smash religious images.
Calvinism [or Reformed Christianity; do not accept or prompt on "Protestant"]