 After his accession, Louis XI granted his younger brother the Duchy of Berry as an appanage.Dissatisfied with this, Charles joined with Charles, Count of Charolais, the Burgundian heir, and other powerful nobles such as Francis II, Duke of Brittany in the League of the Public Weal in May 1465.This started the "Guerre folle" (Mad War), which ended in October with the Treaty of Conflans between Louis XI and the Count of Charolais.