When was the agenda created?
During what period did the schedule initially devised?
At what time did the agenda emerge?
In which period was the agenda originally devised?
During what period did the calendar originally envisioned?
During what period did
the agenda firstly devised?
In what period did the agenda creation?
During what period was the timetable arise for the first time?
The Mayan Calendar 101 Calendar
- 04/13/01:39
- The Maya Calendar System Smithsonian Institution
