In what year and in what century was the Charlemagne Empire formed?

The beginning of the formation of the Frankish state falls on the reign of Karl Martell. Pepin Korotkiy continued the aggressive policy of his father. In 481, the process of the formation of the state of the Franks was completed. During the reign of Charles the Great, the possessions of the Frankish state reached enormous proportions. For complete control over all areas of the empire, Charlemagne built new cities, fortifications and paved roads. The king’s sole authority was supported by a well-trained army.