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How long did Henry IV wait at Canossa before Gregory VII granted him absolution?
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St. Gregory VII
Pope Gregory VII, after his expulsion from Rome, laying a ban of excommunication on the clergy “together with the raging king” (Henry IV of Germany), drawing from the 12th-century chronicle of Otto of Freising; in the library of the University of Jena, Germany.
Emperor Henry IV waited for three days at the castle of Canossa as a penitent before Pope Gregory VII granted him absolution on January 28, 1077.1