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" /
![Commission for the calendar reformation, under Pope Gregory XIII (1502-1585) the Julian Calendar was..., Stock Photo, Picture And Rights Managed Image. Pic. AHV-AGC-F-002022-0000 | agefotostock Commission for the calendar reformation, under Pope Gregory XIII (1502-1585) the Julian Calendar was..., Stock Photo, Picture And Rights Managed Image. Pic. AHV-AGC-F-002022-0000 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/ea8666d76ca6a29b22172d3c1ca4b512/ahv-agc-f-002022-0000.jpg)
Commission for the calendar reformation, under Pope Gregory XIII (1502-1585) the Julian Calendar was..., Stock Photo, Picture And Rights Managed Image. Pic. AHV-AGC-F-002022-0000 | agefotostock
![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.
![The Gregorian calendar (Western calendar, Christian calendar) is the solar calendar in use throughout most of the world. It was sponsored by Pope Gregory XIII in 1582 as a corrected version of The Gregorian calendar (Western calendar, Christian calendar) is the solar calendar in use throughout most of the world. It was sponsored by Pope Gregory XIII in 1582 as a corrected version of](https://c8.alamy.com/comp/G15H69/the-gregorian-calendar-western-calendar-christian-calendar-is-the-G15H69.jpg)
The Gregorian calendar (Western calendar, Christian calendar) is the solar calendar in use throughout most of the world. It was sponsored by Pope Gregory XIII in 1582 as a corrected version of
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
![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
Steve Berry - On October 15, 1582, Pope Gregory XIII introduced the Gregorian calendar. It was a refinement to the Julian calendar first implemented by Julius Caesar in 46 B.C. The Julian
![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)