In what period did the timetable
devised?
In what period did the schedule initially introduced?
In which period was the timetable arise?
In what period was the timetable firstly created?
In which period was the timetable originally thought up?
When was the schedule firstly introduced?
In which period did the schedule inception?
During what period did the agenda come about for the first time?
How Did People Count Years Before BC and AD Medium
- 04/13/01:39
- Mesoamerican calendars Wikipedia
