When did the Pope who was supported by Matilda of Tuscany become Pope?
Matilda of Tuscany: Matilda of Tuscany (Italian: "Matilde di Canossa", Latin: "Matilda", "Mathilda"; 1046 – 24 July 1115) was a powerful feudal ruler in northern Italy and the chief Italian supporter of Pope Gregory VII during the Investiture Controversy; in addition, she was one of the few medieval women to be remembered for her military accomplishments, thanks to which she was able to dominate all the territories north of the Church States.
i don't know