A.D. 800 united a vast realm under the Christian faith
became the first emporor of the Holy Roman Empire
Explanation:
Charlemagne was the most important ruler in the medieval ghaul as he is the one to unite the realms under christian faith and to fight against the islamic raiders.
Augustine of Hippo arguedd against the instistence of people to Focus on Rome,but instead called for them to focus on the Kingdom of heaven. The term pax deorum was effectively changed to pas Augustine.
