Gregory XIII | Catholic Answers Encyclopedia
The time the pope made 10 days disappear
Gregory XIII (Pope) - On This Day
Gregory XIII; Ugo Boncompagni (7 January 1502 to 10 April 1585) was Pope from 1572 to 1585; Historical; digitally restored reproduction from a 19th century original. - Album alb9818666
EHS on X: "#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" /
The Pope who established our modern calendar, and why we use it today - YouTube
Tomb of Gregory XIII by RUSCONI, Camillo
Pope gregory xiii hi-res stock photography and images - Alamy
Pope Gregory XIII - Wikipedia
Scipione Pulzone | PORTRAIT OF POPE GREGORY XIII (1502-1585) | MutualArt
Gregory Conquers Julius Caesar - On This Day
Pope Gregory XIII - Wikipedia
Gregory XIII | Biography, Papacy, Gregorian Calendar, & Facts | Britannica
The Tiaras of the Popes: Pope Gregory XIII (+1585) ~ Liturgical Arts Journal
On this day in 1582: Pope Gregory XIII announces the new Gregorian calendar
Pope Gregory Xiii Born Ugo Boncompagni Was Pope Of The Catholic Church From 13 May 1572 To His Death In 1585 Stock Illustration - Download Image Now - iStock
GREGORY XIII (1502-1585). Pope (1572-1585). Engraving
The Tomb of Pope Gregory XIII - Inside The Vatican Pilgrimages
Pope Gregory XIII gave us the leap year – but his legacy goes so much further
Portrait of Pope Gregory XIII
Pope Gregory XIII (1502-1585). Born Ugo Boncompagni. Pope from 1572-1585. Portrait. Engraving. Colored. - SuperStock
Pope Gregory XIII – Papal Artifacts
Monument to Pope Gregory XIII, Saint Peter's Basilica, The… | Flickr
The Funerary Monument to Pope Gregory XIII in St Peter's Basilica in Rome - Walks in Rome (Est. 2001)
Portrait of Pope Gregory XIII (1502-1585) Pope of the Catholic Church. Dated 19th century Stock Photo - Alamy
