The Battle of Ourique was a battle that took place on 25 July 1139, in which the forces of Portuguese count Afonso Henriques (of the House of Burgundy) defeated those led by the Almoravid governor of Córdoba, Muhammad Az-Zubayr Ibn Umar, identified as "King Ismar" in Christian chronicles. After the battle, Afonso Henriques was proclaimed the first King of Portugal by his troops.