Battle of Las Navas de Tolosa: After Pope Innocent III calls European knights to a crusade, forces of Kings Alfonso VIII of Castile, Sancho VII of Navarre, Peter II of Aragon and Afonso II of Portugal defeat those of the Berber Muslim leader Almohad, thus marking a significant turning point in the Reconquista and in the medieval history of Spain.

Spain in the Middle Ages
Reconquista
Almohad Caliphate
Muslim
Berber people
Afonso II of Portugal
Peter II of Aragon
Sancho VII of Navarre
Alfonso VIII of Castile
Crusades
Pope Innocent III
Battle of Las Navas de Tolosa