Concept
Version 3
Created by Boundless
The Coronation of 800 CE
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Raphael_Charlemagne.jpg."
https://en.wikipedia.org/wiki/Charlemagne#/media/File:Raphael_Charlemagne.jpg
Wikipedia
CC BY-SA 3.0.