This ruler established the Palatine School and the system of missi dominici to oversee his lands. He hired Alcuin of York to educate his people, and he defeated Desiderius and the Lombards at Pavia, a feat which was chronicled by his biographer Einhard. His rearguard was defeated by the Basques at the Battle of (*) Roncevaux Pass, and he split his territory amongst his three grandsons in the Treaty of Verdun. Ruling from 
This ruler established the Palatine School and the system of missi dominici to oversee his lands. He hired Alcuin of York to educate his people, and he defeated Desiderius and the Lombards at Pavia, a feat which was chronicled by his biographer Einhard. His rearguard was defeated by the Basques at the Battle of (*) Roncevaux Pass, and he split his territory amongst his three grandsons in the Treaty of Verdun. Ruling from Aachen, this man was the grandson of Charles Martel, and Pope Leo III crowned him in the Christmas Day Mass. For ten points, name this Frankish king, son of Pepin the Short, who became the Holy Roman Emperor in 800 CE.
This ruler established the Palatine School and the system of missi dominici to oversee his lands.
{Charlemagne} (Accept {Charles I}, {Charles the Great}, {Karl de Grosse}, {Carolus Magnus}, or {Charles le Grand}; prompt on Charles)