plots against Popes Paul I., Stephen III., and Adrian I., [433-438];
marries his daughter to Charlemagne in 770, repudiated by him in 771, [437];
gets rid of the Palatine judges Christophorus and Sergius, [439];
encounters and is foiled by Pope Adrian I., [441-446];
is invested in Pavia by Charlemagne in 773, [447];
conquered and deposed by him in 774, [457].
De Vere, Aubrey, quoted, [373], the sin of Constantine cleaving his empire, note, [111].
Döllinger, quoted on the purpose of the Greek Council in Trullo, [264];
analyses Mohammed's religion and estimates his work, [23], [208];
sums up the effect of the Mohammedan attack, [224];