I would have to guess that the correct description of revolution is where the people are not getting what the need or deserve so the people revolt toward the government, possibly overthrowing it, and create the government with its wants and needs. The outcome is the creation of the new government or monarchy with what the people want.
Charlemagne or also known as Charles the Great is just one of the names that have standout during the Medieval Period. He was the one who led the unity of the western and Central Europe during the Middle Ages thus he was also called the Father of Europe. He had led an important role in deciding Europe’s monetary future including the establishment of new urban centers.