Charlemagne was to medieval Europe as Constantine was to Rome.
Explanation:
Both Charlemagne and Constantine undertook pilgrimage to Compostela and the paintings and facades on the walls of the churches are evident of it. Both are extremely adept horsemen and they possess same mythological features which would fit into the history. Constantine embraced Christianity as he proposed the Christian Trinitarian doctrine and he implemented it in his kingdom. He granted immense power to the pope under his kingdom
Charlemagne fought against the pagans and Germans and stabilized the faith of Christianity in his kingdom. He contributed much in securing the monastic culture during his reign. He undertook the first pilgrimage to Compostela. It is the palace where the tomb of Saint James is located. Â