Charlemagne

Charlemagne i.e. Charles or Karl the Great, the first Carlovingian king of the Franks, son and successor of Pepin le Bref (the Short); became sole ruler on the death of his brother Carloman in 771; he subjugated by his arms the southern Gauls, the Lombards, the Saxons, and the Avares, and conducted a successful expedition against the Moors in Spain, with the result that his kingdom extended from the Ebro to the Elbe; having passed over into Italy in support of the Pope, he was on Christmas Day 800 crowned Emperor of the West, after which he devoted himself to the welfare of his subjects, and proved himself as great in legislation as in arms; enacted laws for the empire called capitularies, reformed the judicial administration, patronised letters, and established schools; kept himself in touch and au courant with everything over his vast domain; he died and was buried at Aix-la-Chapelle (742-814).

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)