Holy Roman Empire: Investiture, princes and imperial feudal relations (962–1254)

1. Otto I crowned emperor, reviving imperial office

   Feb 2, 962Labels: Otto I, Pope John

   • Britannica

2. Gregory VII issues Dictatus papae claims

   Mar 3, 1075Labels: Gregory VII, Dictatus Papae

   • Britannica
   • MGH Data

3. Henry IV defeats Saxon revolt

   Oct 27, 1075Labels: Henry IV, Saxon rebels

   • Saxon Revolt

4. Synod of Worms renounces obedience to Gregory

   Jan 24, 1076Labels: Synod of, Henry IV

   • Britannica
   • Synod Worms

5. Gregory VII excommunicates and deposes Henry IV

   Feb 14, 1076Labels: Gregory VII, Henry IV

   • Britannica
   • Britannica

6. Henry IV performs penance at Canossa

   Jan 28, 1077Labels: Canossa, Henry IV

   • Britannica
   • Britannica

7. Concordat of Worms settles investiture procedures

   Sep 23, 1122Labels: Concordat of

   • Britannica
   • Britannica

8. Death of Henry V triggers contested royal election

   May 23, 1125Labels: Henry V, Lothair III

   • Britannica
   • 1125 Election

9. Frederick Barbarossa elected King of Germany

   Mar 4, 1152Labels: Frederick I, Princes' assembly

   • 1152 Election

10. Privilegium Minus elevates Austria to a duchy

    Sep 17, 1156Labels: Privilegium Minus, Austria

    • Privilegium
    • Britannica

11. Henry the Lion stripped of Saxony and Bavaria

    Apr 13, 1180Labels: Henry the, Frederick I

    • Anhalt Bio
    • Deutschlandmuseum

12. Peace of Constance recognizes Lombard communal rights

    Jun 25, 1183Labels: Peace of, Lombard League

    • Peace
    • Britannica

13. Frederick II grants Confoederatio to ecclesiastical princes

    Apr 26, 1220Labels: Frederick II, Confoederatio

    • Confoederatio
    • MGH Image

14. Statutum in favorem principum entrenches secular princely regalia

    May 1, 1231Labels: Statutum in, Henry VII

    • Statutum
    • German Wiki

15. Death of Conrad IV accelerates Great Interregnum

    May 21, 1254Labels: Conrad IV, Great Interregnum

    • Britannica
    • Interregnum