File:Gregory XIII.jpg - Wikimedia Commons
On this day in 1582: Pope Gregory XIII announces the new Gregorian calendar
EHS on Twitter: "#OTD in history the Gregorian Calendar was introduced by Pope Gregory XIII... Did you know yesterday was the 4 October?!... back in 1582, that is. #churchhistory #religioushistory https://t.co/onqGvEoNux" /
St Peter's - Monument to Gregory XIII
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
Rome for beginners and for the advanced, for the curious and the courageous.
Anton Eisenhower Portrait of Pope Gregory XIII, 1581, 49×41 cm: Description of the artwork | Arthive
St Peter's - Monument to Gregory XIII
Pope Gregory XIII stock image. Image of crown, history - 108625509
The time the pope made 10 days disappear
The Dragon and the Calendar - Pope Gregory XIII
Statue of Pope Gregory XIII – Bologna, Italy - Atlas Obscura
Pope Gregory XIII (1502-1585). Born Ugo Boncompagni #14366339
Monument to Pope Gregory XIII, Saint Peter's Basilica, The… | Flickr
Gregory XIII (Pope) - On This Day
CatholicSaints.Info » Blog Archive » New Catholic Dictionary – Pope Gregory XII
Portrait of Pope Gregory XIII
Scipione Pulzone | PORTRAIT OF POPE GREGORY XIII (1502-1585) | MutualArt
Gregorian calendar - Aleteia
The Monument to Pope Gregory XIII in St Peter's Basilica in Rome - Walks in Rome (Est. 2001)
The Tomb of Pope Gregory XIII - Inside The Vatican Pilgrimages
File:Pope Gregory-XIII.jpg - Wikimedia Commons
Gregory XIII (Pope) - On This Day
Carlo Francesco Mellone | BUST OF POPE GREGORY XIII (1502-1585) | MutualArt
Tomb of Gregory XIII by RUSCONI, Camillo
New Year, Old Calendar: The Origins and Controversy of the Gregorian Calendar | Ancient Origins
