The Catholic League of France was created by Henry, Duke of Guise in 1576 to eradicate Protestantism from France. The League was a union of loyal Catholics, spearheaded by the Duke of Guise and supported by Philip II of Spain and the Pope. They resisted laws showing tolerance to Protestants, and eventually put so much pressure on King Henry III that he was forced to rescind the Peace of La Rochelle, which had given Protestants freedom of belief. Protestant worship once again became a criminal act. The Catholic League was particularly strong in Paris.