Balearic Islands having partitioned his domains between his sons in his will. The will created a new Kingdom of Mallorca from the Balearic islands and the mainland counties of Roussillon or Montpellier, which was left to his son James II. However, the terms of the will specified that the new kingdom be a vassal state to the Kingdom of Aragon, which was left to his older brother Peter. Chafing under the vassalage, James joined forces with the Pope Martin IV and Philip III of France against his brother in the Aragonese Crusade, leading to a 10-year Aragonese occupation before the islands were
Parliament of the Balearic Islands Balearic Islands, was constituted by royal decree. It substituted the Provincial Council of the Balearics and possessed some of the basic competences in health and culture, although its main function was drafting a Statue of Autonomy for the archipelago. On a 29 July 1978 decree, the election of its members was defined. On 1 March 1983 the Statue of Autonomy of the Balearic Islands came into effect, and the Inter-island General Council disappeared, being replaced by the Government of the Balearic Islands. During the five years of its existence, the institution had two presidents. Jeroni Albertí (UCD) resigned in 1982