第四章 Europe in the Middle Ages 中世纪的
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adopted by Charlemagne in 800. ??Emperors and popes: AD 962–1250 ??The imperial role accorded by the pope to Charlemagne in 800 is handed on in increasingly desultory fashion during the 9th century. From 924 it falls into abeyance. But in 962 a pope once again needs help against his Italian enemies. Again he appeals to a strong German ruler. ??The coronation of Otto I by pope John Ⅶ in 962 marks a revival of the concept of a Christian emperor in the west. It is also the beginning of an unbroken line of Holy Roman emperors lasting for more than eight centuries. Otto I does not call himself Roman emperor， but his son Otto II uses the title–as a clear statement of western and