Which French king was crowned the first Holy Roman Emperor?
CharlemagneCharlemagne
88%Charlemagne was also known as Karl, Charles the Great, Charles I, King of the Franks, “father of Europe.” and finally, “Holy Roman Emperor.” In 800 CE, Pope Leo III named Charlemagne the first ruler of the Holy Roman Empire, which encompassed parts of modern France, Germany, and Italy.
Source: Mental Floss