resists Aistulf, attacking the duchy of Rome, and imposing a poll-tax, [353];

appeals in vain to Constantine Kopronymus to defend Rome, [353];

appeals to Pipin, king of the Franks, [354];

leaves Rome for Pavia to persuade Aistulf to desist, [355];

on his refusal, crosses the Alps to Pipin, [356];

saves Europe from Mohammedan enthralment by union with Pipin, [357];

meeting of Stephen and Pipin at Pontigny, described by Anastasius, [358];

Pipin binds himself to protect the Roman Church and Commonwealth of which Stephen makes him Patricius, [359];

anoints Pipin as king of the Franks in the Church of St. Denys, [360];

is besieged in Rome by Aistulf, [361];