Christianity in the 16th century intermittent conflicts, known as the Wars of Religion. The civil wars were helped along by the sudden death of Henry II in 1559, which saw the beginning of a prolonged period of weakness for the French crown. and outrage became the defining characteristic of the time, illustrated at its most intense in the St. Bartholomew's Day massacre of August 1572, when the Catholic Church annihilated between 30,000 and 100,000 Huguenots across France. The wars only concluded when Henry IV, a former Huguenot, issued the Edict of Nantes, promising official toleration of the Protestant minority but under highly restricted conditions. Catholicism
St. Bartholomew's Day massacre 18th-century historian Louis-Pierre Anquetil, in his "Esprit de la Ligue" of 1767, was among the first to begin impartial historical investigation, emphasizing the lack of premeditation (before the attempt on Coligny) in the massacre and that Catholic mob violence had a history of uncontrollable escalation. By this period the Massacre was being widely used by Voltaire (in his "Henriade") and other Enlightenment writers in polemics against organized religion in general. The question of whether the massacre had long been premeditated was not entirely settled until the late 19th century; Lord Acton changed his mind on the matter twice, finally concluding