At the time when the east civilizations aspired to the unity and some kind of religious globalization the western one otherwise suffered from sepatist tendencies. So the Carolingian empire never constituted much more than an ideal. First empire turned out divided among successive generations of pretenders to the imperial title. But at least the Europe found itself under the power of one Emperor who soon began to claim universal rule of the entire earth as the Vicar of Christ. Thus began the durable tradition of Empire in Europe with such a vast separation between claims and practice, between de jure and de facto situation. Reign at this time had a sacral and even Christological character that was natural and typical for the period considering. Europe hadn’t completely left behind the old Roman tradition as the Emperor, styled himself as the new

Caesar and Emperor of Rome, supported sacral typology more so than any other. Emperor was someone like a representative of the God on earth and exercised priestly powers and constituted in himself the bond between heaven and earth. Nearly that time the concept of sovereignty began to conceive in Europe. Because Emperor was the sovereign, the lawmaker and judge of all creatures. Also he himself was a king and a priest.

So the historical period of 800 AD was quite significant for East and West Europe. The part of the world examined in this work separated and each of them began to develop in its own way, using the invaluable experience taken from their “mother” Roman Empire.