Investiture Controversy Timeline

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  • Dec 1046
    Henry III, Holy Roman Emperor deposes three rival popes at the Synod of Sutri and selects Bishop Suidger of Bamberg for papal installation as Pope Clement II.
  • 22 Apr 1073 - 25 May 1085
    Papacy of Gregory VII.
  • 1076 - 1122
    The Investiture Controversy between the Holy Roman Empire and the Papacy over the practice of lay investiture.
  • Jan 1076
    Synod of Worms; Henry IV, Holy Roman Emperor and his supporters renounce Pope Gregory VII and call for his abdication, initiating the Investiture Controversy.
  • Feb 1076
    First excommunication of Henry IV, Holy Roman Emperor by Pope Gregory VII.
  • Jan 1077
    Walk to Canossa; Henry IV, Holy Roman Emperor seeks the absolution of Pope Gregory VII at Canossa, during the Investiture Controversy.
  • Mar 1080
    Second excommunication of Henry IV, Holy Roman Emperor by Pope Gregory VII.
  • 1122
    The Concordat of Worms defines the secular and religious aspects of lay investiture, concluding the dispute of Investiture Controversy.
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