The Kingdom of Castile had signed a peace treaty with the Nasrid dynasty who controlled the Emirate of Granada. Power struggles and changes in the court of the Emirate of Granada promted them to break the cease fire. Muhammad VII, encouraged and aided by the Marinid Dynasty of Morocco, invaded the territory of Murcia. Henry III of Castile, who had completed a series of battles against Portugal, saw his opportunity to counter the Granadan threat after signing a peace treaty with the Portuguese in 1402. One of the more famous Castilian knights that participated in this campaign was Juan de Tovar y Toledo, who was given land and title in part for his actions at Collejares. Henry III moved against Granada, the last Muslim stronghold on the Iberian Peninsula after centuries of Reconquista. The