James I of Aragon

Reign: 1213 – 1276
Life: 1208–1276

King James I saw the expansion of the Crown of Aragon in three directions: Languedoc to the north, the Balearic Islands to the southeast, and Valencia to the south. By a treaty with Louis IX of France, he achieved the renunciation of any possible claim of French suzerainty over the County of Barcelona and the other Catalan counties, while he renounced northward expansion and taking back the once Catalan territories in Occitania and vassal counties loyal to the County of Barcelona, lands that were lost by his father Peter II of Aragon in the Battle of Muret during the Albigensian Crusade and annexed by the Kingdom of France, and then decided to turn south. His great part in the Reconquista was similar in Mediterranean Spain to that of his contemporary Ferdinand III of Castile in Andalusia. One of the main reasons for this formal renunciation of most of the once Catalan territories in Languedoc and Occitania, and any expansion into them, is that he was raised by the Knights Templar Crusaders, who had defeated his father, who was fighting for the Pope alongside the French. It was thus effectively forbidden for him to try to maintain the traditional influence of the Count of Barcelona that previously existed in Occitania and Languedoc. As a legislator and organiser, he occupies a high place among the European kings.

During James I of Aragon's reign, Afonso III of Portugal ruled Portugal, Henry III of England ruled England, and Kujō Yoritsune ruled Japan (Shogunate).

Further reading: The Chronicle of James I of Aragon by James I of Aragon

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