St. Bartholomew's Day massacre St. Bartholomew's Day massacre The St. Bartholomew's Day massacre () in 1572 was a targeted group of assassinations and a wave of Catholic mob violence, directed against the Huguenots (French Calvinist Protestants) during the French Wars of Religion. Traditionally believed to have been instigated by Queen Catherine de' Medici, the mother of King Charles IX, the massacre took place a few days after the wedding day (18 August) of the king's sister Margaret to the Protestant Henry III of Navarre (the future Henry IV of France). Many of the most wealthy and prominent Huguenots had gathered in largely Catholic Paris
Paris in the 16th century religious conflicts between Catholics and the new Protestant sects grew over the course of the century, culminating in the St. Bartholomew's Day massacre and the wars of religion. The College of Sorbonne of the University of Paris, the city's major school of theology, took the lead in condemning heresies and Protestantism. In 1534 a Spanish student at the University, Ignatius of Loyola, gathered together five other students, who were Spanish, French and Portuguese, at the chapel of Saint-Pierre de Montmartre and formed a new society, the Society of Jesus, which became known as the Jesuits. His order became one of