becuasesthey need the pope's approval -ZAi_wiLL was here
http://wiki.answers.com/Q/How_did_cooperation_with_the_...
By consensus The first Emperor is taken to be Otto I (also known as Otto the Great). He was crowned Emperor by Pope John XII on February 2nd 962. It must be noted that the term Holy Roman Emperor and the Empire did not come into use until s...
http://wiki.answers.com/Q/Who_crowned_the_first_holy_ro...
the emperors from nero onward set themselves up as divine and all people had to pay homage and worship them. the christians believed in the one true god and therefore were persecuted for nearly 300 years. the japanese dynasties were the sam...
http://answers.yahoo.com/question/index?qid=20100110165...
Georg von Frundsberg , 1473-1528, German commander in the service of Holy Roman emperors Maximilian I and Charles V .
http://qanda.encyclopedia.com/question/did-georg-von-fr...
The Holy Roman Emperor (, or "Roman-German Kaiser") is a term used by historians to denote a Middle Ages ruler who had received the title of "Emperor of the Romans" from the Pope of the Holy Roman Church, and after the 1...
http://en.wikipedia.org/wiki/Holy_Roman_Emperor
the Pope crowned Charlemagne Holy Roman emperor on Christmas Day, 800.
http://qanda.encyclopedia.com/question/charlemagne-crow...
Hi Stephen, I'm not sure I understand exactly what you're asking in your question. If you mean, symbolically what did it mean that Charlemagne signed something, then the answer is it would mean that he made that document official, he appr...
http://en.allexperts.com/q/European-History-670/Charlem...