St. Bartholomew's Day Massacre
Began with the joint marriage of a Huguenot and Bourbon. In August 24, Catholic mobs murder 3,000 Huguenots in Paris with 10,000 Huguenots dying in the provinces over the next six weeks. Huguenot pamphleteers proclaimed their right to resist a tyrant who worshipped idols. Constitutionalism used to justify resistance movements 16th century on.