Sutri
Sutri is a town in Lazio, known for the Donation of Sutri, by Liutprand, king of the Lombards, to pope Gregory II in 728.
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Gregory II — Liber Pontificalis
The Liber Pontificalis for Gregory II (715–731), recounts in great detail the conflicts between the Eastern Roman Empire and the Papacy, with repeated attempts at the life of the pope.