Paris in the 16th century on September 5, 1557, thirty were from noble families. In 1561-62, the number of Protestants in Paris was estimated at between ten and fifteen thousand; in France as a whole, three million, or fifteen percent of the population. The Massacre of Saint-Bartholomew's Day on August 23–24, 1572 killed between two and three thousand Protestants; it was followed by a large-scale emigration of Protestants out of the city, primarily to Sedan, Montbeliard and Geneva. In 1598, with the Edict of Nantes, the Protestant were again able to open a church a Grigny, on the banks of the Seine outside the city.
Paris in the 16th century judges was created, the ancestor of the modern tribunes of commerce, which took away the power of the guilds to settle commercial disputes. The Roman Catholic Church in Paris was closely aligned with the Crown; the Bishops of Paris were chosen not because of the religious virtues, but because of their membership in prominent aristocratic families close to the King. Five important new churches were built in the Paris in the 16th century, the largest of which was Saint-Eustache near the central market of Les Halles. Throughout the century, Paris was a fortress of the traditional Roman Catholic faith. However,