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Gregory XIII (Pope) - On This Day
Gregory XIII | Biography, Papacy, Gregorian Calendar, & Facts | Britannica
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Pope Gregory XIII (1502-1585). Born Ugo Boncompagni. Pope from 1572-1585. Portrait. Engraving Stock Photo - Alamy
On this day in 1582: Pope Gregory XIII announces the new Gregorian calendar
Tomb of Gregory XIII by RUSCONI, Camillo
Rome for beginners and for the advanced, for the curious and the courageous.
The Tomb of Pope Gregory XIII - Inside The Vatican Pilgrimages
Gregorian calendar - Aleteia
Pope Gregory XIII: Accomplishments & Legacy | Study.com
Pope Gregory XIII statue on King Enzo palace Stock Photo by ©uatp12 120250698
Statue of Pope Gregory XIII – Bologna, Italy - Atlas Obscura
Gregory XIII (Pope) - On This Day
St Peter's - Monument to Gregory XIII
183 Pope Gregory Xiii Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime
143 Pope Gregory Xiii Photos and Premium High Res Pictures - Getty Images
Gregory XIII | Catholic Answers
The Monument to Pope Gregory XIII in St Peter's Basilica in Rome - Walks in Rome (Est. 2001)
Pope gregory xiii hi-res stock photography and images - Alamy
The Dragon and the Calendar - Pope Gregory XIII
Monument to Pope Gregory XIII, Saint Peter's Basilica, The… | Flickr
Pope Gregory XIII (1502-1585). Born Ugo Boncompagni #14366339
File:Pope Gregory-XIII.jpg - Wikimedia Commons
My Catholic Faith - 😇Pope Gregory XIII 👉Pope Gregory XIII (Latin: Gregorius XIII; 7 January 1502 – 10 April 1585), born Ugo Boncompagni, was head of the Catholic Church and ruler of
The time the pope made 10 days disappear
