Why did Pope Gregory VII and Henry IV come into conflict?

Henry IV tried to force the pope to relinquish his position.
Pope Gregory VII wanted Henry IV to resign as emperor.
Henry IV believed he had the authority to appoint church officials.
Pope Gregory VII believed that only he could act on behalf of God.

Question

Why did Pope Gregory VII and Henry IV come into conflict?

Henry IV tried to force the pope to relinquish his position.
Pope Gregory VII wanted Henry IV to resign as emperor.
Henry IV believed he had the authority to appoint church officials.
Pope Gregory VII believed that only he could act on behalf of God.

anonymous · Answer

Pope Gregory VII and Henry IV come into conflict because it went through an decision over through who will control the appointments of church officials, this conflict would be called the Investiture Controversy.

kohai · Answer

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