![Memorial of St. Gregory the Great, Pope and Doctor of the Church - September 03, 2021 - Liturgical Calendar | Catholic Culture Memorial of St. Gregory the Great, Pope and Doctor of the Church - September 03, 2021 - Liturgical Calendar | Catholic Culture](http://www.catholicculture.org/culture/liturgicalyear/pictures/9_3_gregory_great31.jpg)
Memorial of St. Gregory the Great, Pope and Doctor of the Church - September 03, 2021 - Liturgical Calendar | Catholic Culture
![Pope Gregory III or Gregorius III, Pope from 731 to 741, Gregor III, Stock Photo, Picture And Rights Managed Image. Pic. Y9E-2294111 | agefotostock Pope Gregory III or Gregorius III, Pope from 731 to 741, Gregor III, Stock Photo, Picture And Rights Managed Image. Pic. Y9E-2294111 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/1e16b1acc5b41151cd712ebd1c835c2c/y9e-2294111.jpg)
Pope Gregory III or Gregorius III, Pope from 731 to 741, Gregor III, Stock Photo, Picture And Rights Managed Image. Pic. Y9E-2294111 | agefotostock
![Saint Willibald seeks Pope Gregory III's Blessing Before Going to Evangelise the Saxons | Pinacoteca di Brera Saint Willibald seeks Pope Gregory III's Blessing Before Going to Evangelise the Saxons | Pinacoteca di Brera](https://pinacotecabrera.org/wp-content/uploads/2015/02/Solimena-San-Villibaldo.jpg)
Saint Willibald seeks Pope Gregory III's Blessing Before Going to Evangelise the Saxons | Pinacoteca di Brera
![The Understanding of Papal Supremacy as revealed in the Letters of Pope Gregory the Great - Medievalists.net The Understanding of Papal Supremacy as revealed in the Letters of Pope Gregory the Great - Medievalists.net](https://medievalists.gumlet.io/wp-content/uploads/2009/04/Pope-Gregory-the-Great-e1479155077206.jpg?format=webp&compress=true&quality=80&w=376&dpr=2.6)
The Understanding of Papal Supremacy as revealed in the Letters of Pope Gregory the Great - Medievalists.net
![Pope Gregory III (731-741), Syrian origin and later canonized, fought against the Byzantines and Lombards. Photo after a portrait representation from the Nuremberg Chronicle of 1493 Stock Photo - Alamy Pope Gregory III (731-741), Syrian origin and later canonized, fought against the Byzantines and Lombards. Photo after a portrait representation from the Nuremberg Chronicle of 1493 Stock Photo - Alamy](https://c8.alamy.com/comp/TA290F/pope-gregory-iii-731-741-syrian-origin-and-later-canonized-fought-against-the-byzantines-and-lombards-photo-after-a-portrait-representation-from-the-nuremberg-chronicle-of-1493-TA290F.jpg)