![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
![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
![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
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
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" /
![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)