Charlemagne is the most famous ruler of the Medieval Ages and a key figure in all of European history. Charlemagne's greatest impact on European history is the Carolingian Empire (751-987), an empire greater than any known since Ancient Rome. By 800, his empire included two-thirds of Italy, all of present-day France, a small part of Spain, and all of German Saxony. In 800, Charlemagne was crowned emperor, a historic coronation (crowning) in which pope Leo III claimed the political right to give the title "Roman Emperor" to a European King. This essentially ended in the joining of Germanic power and the church as the heritage of the Roman Empire.…