Concept
Version 3
Created by Boundless
The Development of Papal Supremacy
Gregory the Great
Pope Gregory I (c. 540–604) who established medieval themes in the church, in a painting by Carlo Saraceni, c. 1610, Rome.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Gregorythegreat.jpg."
https://en.wikipedia.org/wiki/Pope#/media/File:Gregorythegreat.jpg
Wikipedia
CC BY-SA 3.0.