. The young prince was chased to the Adriatic littoral and he fled to Constantinople
to plead for assistance from Constantine V
, who was waging war with Bulgaria
The siege lasted until the spring of 774, when Charlemagne visited the pope in Rome.
768 Carloman I and Charlemagne are crowned Kings of The Franks.
771 Austrasian King Carloman dies, leaving his brother Charlemagne King of the now complete Frankish Kingdom.
771 Charlemagne becomes the sole King of the Franks after the death of his brother Carloman.
800 Charlemagne arrives at Rome to investigate the alleged crimes of Pope Leo III.
800 Charlemagne judges the accusations against Pope Leo III in the Vatican.
800 Coronation of Charlemagne as Holy Roman Emperor, in Rome.