jan 6, 1122 - Concordat of Worms

Description:

a compromise reached in 1122 to address the Investiture Controversy; under this decision, churchmen were allowed to elect bishops and grant them symbols of spiritual authority but the approval of the emperor was required and he was allowed to give the bishops political authority.
This controversy had been steadily growing as Holy Roman emperors appointed churchmen to important political offices because they couldn’t rely on their disloyal nobles. Pope Gregory VII demanded that Emperor Henry IV (1056-1106) stop the practice of appointing church bishops to political offices. Henry IV attempted to depose Pope Gregory VII and in response, Pope Gregory sought to excommunicate Henry; this heated controversy eventually resulted in Henry IV sending Pope Gregory VII into exile.

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