In 743 , Liutprand marched on Ravenna .
Eutychius was so impoverished in resources that he , Archbishop John V of Ravenna , and the leading citizens petitioned the pope to intervene .
In 743 , Liutprand marched on Ravenna , and Eutychius was so impoverished in resources that he , Archbishop John V of Ravenna , and the leading citizens petitioned the pope to intervene .