June 3, 2016 - mayan calendar 3 1/2 years, This would mean that dec 8th, 2012 (julian calendar) is actually may 21st, 2016 (mayan haab calendar). dec. 8th, 2012 plus 1260 days = 5/21/2016. April fools' day: start? | time., In the 16th century, the christian world switched from the julian calendar, which was introduced by julius caesar, to the gregorian calendar named for pope gregory xiii.. Change julian calendar gregorian calendar, The change from the julian to the gregorian calendar. the gregorian calendar, which is the calendar used today, was first introduced by pope gregory xiii via a papal.

2017 julian calendar : download julian date calendar 2017, Print download 2017 julian calendar yearly monthly format. julian day calendar 2017 design. click download.. https://www.calendarlabs.com/julian-calendar/2017-calendar/ Calendar ( style) act 1750 - wikipedia, Text calendar ( style) act 1750/51 force today (including amendments) united kingdom, legislation.gov.uk; text calendar act. https://en.wikipedia.org/wiki/Calendar_(New_Style)_Act_1750 Earth day - wikipedia, Earth day annual event celebrated april 22. worldwide, events held demonstrate support environmental protection. celebrated 1970. https://en.wikipedia.org/wiki/Earth_Day