He always had good health until the last 4 years of his life and he would refuse to listen to the doctors. In 813, Charlemagne crowned his son Louis the Pious, king of Aquitaine, as co-emperor. Louis became sole emperor when Charlemagne died.
Charlemagne (c. 742-814), also known as Karl and Charles the Great, was a medieval emperor who ruled much of Western Europe from 768 to 814. In 771, Charlemagne became king of the Franks, a Germanic tribe in present-day Belgium, France, Luxembourg, the Netherlands and western Germany.
Trade was a commonly used way to obtain items back in the day, people would give one item in exchange for another, allowing people to have access to items they didn't have before.