Caption:
The coronation of Charlemagne as Roman Emperor in 800 by Pope Leo III on Christmas Day, Old St. Peter's Basilica. Charlemagne aka Charles the Great, 742/747/748 - 814, numbered Charles I. King of the Franks from 768, King of the Lombards from 774 and Emperor of the Romans from 800. From Hutchinson's History of the Nations, published 1915.