- Holy Roman Emperor Charlemagne, Charles I Born: 742 Died: 814   Preceded by Pepin the Younger King of the Franks 768–814 (until 771 jointly with Carloman ) Succeeded by Louis the Pious Preceded by Desiderius King of the Lombards 774–814 Succeeded by Pepin as King of Italy New Title Holy Roman Emperor 800–814 Succeeded by