This caused a mass exodus of Waldensian refugees to the Valley of Perosa (Pérouse), and led to the formation of rebel groups under the leadership of Joshua Janavel, Jean Léger and Bartolomeo Jahier, whilst several states including England, France, Germany and the Protestant cantons of Switzerland attempted to intervene diplomatically. On 18 August, the Pinerolo Declaration of Mercy was issued, which constituted a peace treaty between Charles Emmanuel II and the Waldensians.
