At what time was the schedule created?
When was the timetable first devised?
During what period did the schedule come into existence?
During what period was the timetable initially created?
During what period did the calendar originally imagined?
When was the timetable firstly introduced?
At what time did the calendar inception?
When did the timetable emerge for the first time?
The History of the Calendar Calendar
- 04/13/01:39
- Julian calendar Wikipedia
