Complex sentence: The Battle of Jerez was fought in 1231 between the forces of Ferdinand III, king of Castile and León, and the Moors, near the modern city of Jerez de la Frontera, in southern Spain.
Split into simpler sentences: The Battle of Jerez was fought in 1231 between the forces of Ferdinand III, king of Castile and León, and the Moors. It took place near the modern city of Jerez de la Frontera, in southern Spain.