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
Balearic Islands islands. Catalan is designated as a "llengua pròpia", literally "own language" in its statute of autonomy. The Balearic dialect features several differences from standard Catalan. Practically all residents of the Balearic Islands speak Spanish fluently. In 2003 74.6% of the Islands' residents also knew how to speak Catalan and 93.1% could understand it. Other languages, such as English, German, French and Italian, are often spoken by locals, especially those who work in the tourism industry. Circa 2017 there were 1,115,999 residents of the Balearics; 16.7% of the islands' population were foreign (non-Spanish). At that time the islands had 23,919 Moroccans,