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Jaume was born at Montpellier as the only son of Pere II of Aragon and Maria of Montpellier. -
As a child, Jaume was made a pawn in the power politics of Provence, where his father was engaged in struggles helping the Cathar heretics of Albi against the Albigensian Crusaders led by Simon IV de Montfort -
At the Battle of Muret -
Pope Innocent III, insisted Montfort to surrender Jaume and was handed over to the papal legate Pere of Benevento at Carcassona in May or June 1214. -
Jaume, at 6, was then sent to Montsó, where he was entrusted to the care of Guillem de Montredó, the head of the Knights Templar in Aragon and Provence; the regency meanwhile fell to his great-uncle Sanç, Count of Roussillon. The kingdom was given over to confusion until, in 1217, the Templars and some of the more loyal nobles brought the young king to Zaragoza. -
At 13 years old, in 1221, he was married to Eleanor, daughter of Alfonso VIII of Castile. The next six years of his reign were full of rebellions on the part of the nobles. By the Peace of Alcalá of 31 March 1227, the nobles and the king came to terms. -
At the courts of Tortosa, Jaume I claims the need to resume the conquest of new lands from the sarrains. Target, Castle of Peniscola -
Sailing from Salou, Cambrils and Tarragona to the conquest of Mallorca that falls at December 1229, and begins the repopulation with farmers from L'Empordà -
Catalan and Aragonese troops starts the conquest of Valencia. Jaume I yields to Castilla the region of Murcia. Valencia is repopulated by Catalans (The coast) and Aragoneses (inner lands) -
In the middle of a revolt by the Sarrains from Valencia. The King gets ill. At july's 21th of 1276, Jaume I resigns in favor of his sons: Pere the Great and Jaume II of Mallorca and dies, problably in the way from Valencia to Poblet