![Genealogy Bargains on Twitter: "GREGORIAN CALENDAR DAY ANNIVERSARY. 24 Feb 1582. Pope Gregory XIII ordered the correction of the Julian calendar. A change in the rule about leap years created the new Genealogy Bargains on Twitter: "GREGORIAN CALENDAR DAY ANNIVERSARY. 24 Feb 1582. Pope Gregory XIII ordered the correction of the Julian calendar. A change in the rule about leap years created the new](https://pbs.twimg.com/media/FMW8q4UXEAAyPeZ.jpg)
Genealogy Bargains on Twitter: "GREGORIAN CALENDAR DAY ANNIVERSARY. 24 Feb 1582. Pope Gregory XIII ordered the correction of the Julian calendar. A change in the rule about leap years created the new
Knights of the Altar - St Bartholomew Parish, Baao, CS - DID YOU KNOW: Pope Gregory XIII ordered to standardized the calendar because Julian calendar did not properly reflect the actual days
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
![Top 100 Global Creator - P93. Pope Gregory XIII: Creator of Gregorian calendar - Worldkings - World Records Union Top 100 Global Creator - P93. Pope Gregory XIII: Creator of Gregorian calendar - Worldkings - World Records Union](https://worldkings.org/Userfiles/Upload/images/811z1.jpg)
Top 100 Global Creator - P93. Pope Gregory XIII: Creator of Gregorian calendar - Worldkings - World Records Union
![Antique Prints & Drawings | Portrait of Pope Gregory XIII (1502-1585) - Gregorian Calendar | Intaglio Antique Prints & Drawings | Portrait of Pope Gregory XIII (1502-1585) - Gregorian Calendar | Intaglio](https://static.galerie-napoleon.com/images/MED/MQ-14134/HQ720.jpg)
Antique Prints & Drawings | Portrait of Pope Gregory XIII (1502-1585) - Gregorian Calendar | Intaglio
![Discussion of the Reform of the Calendar under Pope Gregory XIII (1502-85) replaced by the Gregorian Calendar, Rome, October 15, 1582. Note the scholar in right background pointing to the constellation Scorpio. Discussion of the Reform of the Calendar under Pope Gregory XIII (1502-85) replaced by the Gregorian Calendar, Rome, October 15, 1582. Note the scholar in right background pointing to the constellation Scorpio.](https://c8.alamy.com/comp/G16A2E/discussion-of-the-reform-of-the-calendar-under-pope-gregory-xiii-1502-G16A2E.jpg)
Discussion of the Reform of the Calendar under Pope Gregory XIII (1502-85) replaced by the Gregorian Calendar, Rome, October 15, 1582. Note the scholar in right background pointing to the constellation Scorpio.
![Pope Gregory XIII creates the Gregorian Calendar – Historical articles and illustrationsHistorical articles and illustrations | Look and Learn Pope Gregory XIII creates the Gregorian Calendar – Historical articles and illustrationsHistorical articles and illustrations | Look and Learn](https://www.lookandlearn.com/history-images/preview/LL/LL0244/LL0244-009-00.jpg)