María de Molina signed the Treaty of Alcañices with Denis of Portugal, securing support from him against rebels in exchange for territory.

María de Molina, Queen of Castile, and Denis of Portugal, the King of Portugal, came together in a historic moment in Spain. On 13-Sep-1297, the two leaders signed the Treaty of Alcañices. The treaty solidified an alliance between them, with Denis agreeing to support Ferdinand the Summoned, the rightful King of Castile, against the rebel forces led by Alfonso de la Cerda and John of Castile. In addition, Denis promised to give his daughter, Constance of Portugal, in marriage to Ferdinand as a symbol of their alliance. As part of this agreement, Denis was granted certain Castilian territories along the Portuguese border. This treaty was crucial in securing Ferdinand's position as the ruler of Castile and helped to maintain peace between the two kingdoms. The Treaty of Alcañices serves as a testament to the diplomatic negotiations and alliances that played a significant role in shaping the political landscape of medieval Spain. #TreatyofAlcañices #MaríadeMolina #DenisofPortugal #alliance #Castile #Portugal