Answer:
Investiture Controversy, conflict during the late 11th and the early 12th century involving the monarchies of what would later be called the Holy Roman Empire (the union of Germany, Burgundy, and much of Italy; see Researcher’s Note), France, and England on the one hand and the revitalized papacy on the other. At issue was the customary prerogative of rulers to invest and install bishops and abbots with the symbols of their office. The controversy began about 1078 and was concluded by the Concordat of Worms in 1122.
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