Why is it so important that charlemagne found the holy empire? ?

Charlemagne was the First Emperor of the Romans (later known as the Holy Roman Empire), restoring the Roman Empire in the West, which provided the foundation for a unified Europe. His method of ruling was looked to for many generations after as the standards by which one should rule and due to his religious reforms, the Christian (Catholic) Church eventually became the primary church in Europe for hundreds of years.

Explanation:

Charlemagne or Charles the Great, numbered Charles I, was king of the Franks from 768, king of the Lombards from 774, and emperor of the Romans from 800. During the Early Middle Ages, he united the majority of western and central Europe. He was the first recognised emperor to rule from western Europe since the fall of the Western Roman Empire three centuries earlier. The expanded Frankish state that Charlemagne founded is called the Carolingian Empire. He was later canonized by Antipope Paschal III.