At what time was the agenda originated?
During what period did the calendar initially devised?
At what time did the agenda arise?
At what time was the calendar initially devised?
In which period was the timetable initially imagined?
When was the timetable initially introduced?
In what period did the agenda inception?
When was the schedule emerge for the first time?
How Did People Count Years Before BC and AD Medium
- 04/13/01:39
- When was the current BC
