The Conquest of the island of Majorca on behalf of the Christian kingdoms was carried out by King James I of Aragon between 1229 and 1231. The pact to carry out the invasion, concluded between James I and the ecclesiastical and secular leaders, was ratified in Tarragona on August 28, 1229. It was open and promised conditions of parity for all who wished to participate.

After the conquest, James I divided the land among the nobles who accompanied him on the campaign, per the Llibre del Repartiment (book of distribution).Later, he also conquered Ibiza, whose campaign ended in 1235, while Menorca had already surrendered to him in 1231.While he occupied the island, James I created the Kingdom of Majorca, which became independent of the Crown of Aragon by the provisions of his will,until its subsequent conquest by the Aragonese Pedro IV during the reign of James II of Majorca.