GIOVANNI VILLANI (1280-1348). NUOVA CRONICA 1350/1373- ENCUENTRO EN CANOSA EN 1077 - ENRIQUE IV DE ALEMANIA PIDE PERDON AL PAPA GREGORIO VII QUE APARECE JUNTO A MATILDE DI CANOSA
Gregory VII (Gregorio VII), pope from 1073 to 1085. Library of the Vatican. Chronicle . Audience in Canossa in 1077 - Henry IV of Germany asking for Pope Gregory VII and Matilda's forgiveness