![English: Gregory I became pope in 590 and effected great changes in the Roman Catholic church. He used the office to govern and provide pastoral care to a large area during English: Gregory I became pope in 590 and effected great changes in the Roman Catholic church. He used the office to govern and provide pastoral care to a large area during](https://c8.alamy.com/comp/MYNG0F/english-gregory-i-became-pope-in-590-and-effected-great-changes-in-the-roman-catholic-church-he-used-the-office-to-govern-and-provide-pastoral-care-to-a-large-area-during-a-time-of-little-civil-administration-he-also-reformed-church-liturgy-introducing-gregorian-chant-gregorys-writings-about-saints-including-saint-benedict-helped-the-growth-of-benedictine-monasteries-in-the-middle-ages-unknown-datemodern-fake-medieval-unknown-430-pope-gregory-i-MYNG0F.jpg)
English: Gregory I became pope in 590 and effected great changes in the Roman Catholic church. He used the office to govern and provide pastoral care to a large area during
![Pope vs State: The Medieval Catholic Church as an International Governmental Organization - Medievalists.net Pope vs State: The Medieval Catholic Church as an International Governmental Organization - Medievalists.net](https://www.medievalists.net/wp-content/uploads/2014/06/Papacy.png)
Pope vs State: The Medieval Catholic Church as an International Governmental Organization - Medievalists.net
![Portrait of Pope Gregory IX illustration from 'Science and Literature in the Middle Ages and the Renaissance', written and engraved by Paul Lacroix posters & prints by English School Portrait of Pope Gregory IX illustration from 'Science and Literature in the Middle Ages and the Renaissance', written and engraved by Paul Lacroix posters & prints by English School](https://previews.magnoliabox.com/bridgeman/mb_hero/xjf147330/MUS-FAPC1114_850.jpg)
Portrait of Pope Gregory IX illustration from 'Science and Literature in the Middle Ages and the Renaissance', written and engraved by Paul Lacroix posters & prints by English School
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