The Maya Calendar System Smithsonian InstitutionDuring what period did the schedule created?
When was the calendar initially devised?
In what period was the agenda arise?
During what period did the timetable originally devised?
In which period was the calendar originally
imagined?
During what period did the timetable firstly established?
At what time was the agenda creation?
At what time did the calendar emerge
for the first time?
