 In the context of the 1383-85 Portuguese Interregnum crisis, Fernão Gonçalves de Sousa, mayor of Portel, took the sides with the Kingdom of Castile, and for fear of the residents rebelling, took their weapons to all and put them in the castle.In November 1384, the development of the Alentejo campaign by the forces of the Constable D. Nuno Alvares Pereira, a cleric of Portel, name John Matthew, opened them the village doors, facilitating the achievement of settlement and surrender the castle.When the crisis was over, the land was donated back to the House of Braganza.