Lombard attack on Ravenna and sack of Classe (724–725)
Shortly before the rebellion against iconoclasm, the Lombard king Liutprand besieged Ravenna and sacked Classe.
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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.