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
Coat of arms of Balearic Islands Coat of arms of Balearic Islands The Coat of arms of Balearic Islands () is described in the Spanish Law 7 of November 21, 1984, the "Law of the coat of arms of the Autonomous Community of Balearic Islands." Previously, by Decree of the Interinsular General Council of August 7 and 16, 1978, adopted the coat of arms as official symbol of the Balearic Islands. The blazon of the arms is: "Or, four pallets of gules differenced by a bendlet azure". The shape of the shield is traditional Iberian or curved and it is embellished with lambrequins "Or". The historians