The history of calendars In which period did the timetable created?
At what time did the timetable first established?
At what time did the agenda come into existence?
In what period was the calendar originally devised?
During what period was the agenda initially conceived?
When was the calendar firstly introduced?
In which period did the schedule inception?
In what period did the agenda come about for the first time?
- 04/13/01:39
- When was the current BC
