Gregorian calendar
The Gregorian calendar, now used by nearly all civilized nations, was first introduced at the end of the XVI century (1582), by decree of Pope Gregory VII.
Category 'Gregorian calendar'
In addition:
1983 whichCalendar of surgery for January 2012
operations on the lunar calendar
is it possible to cut one's hair tomorrow
mond-Tag lunar Monat.
decrease of the Moon
favorable time for operation in December 2011
