 In return, the monarchy revoked the concessions given to the Huguenots.After the military leaders of both sides were either killed or captured in battles at Rouen, Dreux, and Orléans, the regent mediated a truce and issued the Edict of Amboise (1563).The war was followed by four years of an uneasy "armed peace", during which time Catherine united the factions in the successful effort to recapture Le Havre from the English.