6 Things You May Not Know About the Gregorian Calendar
https://www.history.com/news/6-things-you-may-not-know-about-the-gregorian-calendar
WEBSep 13, 2012 · 1. The original goal of the Gregorian calendar was to change the date of Easter. In 1582, when Pope Gregory XIII introduced his Gregorian calendar, Europe adhered to the Julian calendar, first...
DA: 22 PA: 68 MOZ Rank: 39