Stock Photo - France. Charlemagne, getting all the laws written. Charlemagne or Charles the Great (2 April 742 - 28 January 814), numbered Charles I, was King of the Franks from 768, King of the Lombards from 774, and Holy Roman Emperor from 800. He united much of western and central Europe during the early Middle Ages. He was the first recognized emperor to rule from western Europe since the fall of the Western Roman Empire three centuries earlier. The expanded Frankish state that Charlemagne founded is called the Carolingian Empire. He was later invalidly canonized by the anti-pope Paschal III. Charlemagne was the eldest son of Pepin the Short and Bertrada of Laon, born before their canonical marriage. He became king in 768 following his father's death, initially as co-ruler with his brother Carloman I. Carloman's sudden death in December 771 under unexplained circumstances left Charlemagne as the sole ruler of the Frankish Kingdom. He continued his father's policy towards the papacy and became its protector, removing the Lombards from power in northern Italy and leading an incursion into Muslim Spain. He campaigned against the Saxons to his east, Christianizing them upon penalty of death and leading to events such as the Massacre of Verden. He reached the height of his power in 800 when he was crowned Emperor of the Romans by Pope Leo III on Christmas Day at Rome's Old St. Peter's Basilica. Charlemagne has been called the ""Father of Europe"" (Pater Europae), as he united most of Western Europe for the first time since the classical era of the Roman Empire and united parts of Europe that had never been under Frankish rule. His rule spurred the Carolingian Renaissance, a period of energetic cultural and intellectual activity within the Western Church. All Holy Roman Emperors considered their kingdoms to be descendants of Charlemagne's empire, up to the last Emperor Francis II and the French and German monarchies. However, the Eastern Orthodox Church views Charlemagne more