Succeeded by his son Louis the Pious, his lands were further divided by his grandchildren via the Treaty of Verdun.
This ruler's campaign against the Saxons included a series of wars against King Widukind and a possible massacre of a group of Pagan reverts, the Massacre of Verden. His empire sustained a loss at the Battle of Trsat, including the death of his general Eric of Friuli. He was crowned emperor by Pope Leo III in St. Peter's Basilica, though he made his capital at Aachen. Succeeded by his son Louis the Pious, his lands were further divided by his grandchildren via the Treaty of Verdun. For 10 points, name this early Holy Roman Emperor.
This ruler's campaign against the Saxons included a series of wars against King Widukind and a possible massacre of a group of Pagan reverts, the Massacre of Verden.
{Charlemagne} [or {Charles} I; or {Charles} the {Great}; or {Charles} le {Grand}; or {Karl der Grosse}