When was
the calendar invented?
In which period did the timetable initially established?
During what period did the timetable arise?
At what time did the agenda originally devised?
During what period was the agenda firstly conceived?
In which period was the agenda initially created?
At what time was the agenda creation?
In which period was the schedule emerge for the first time?
- 04/13/01:39
- Who invented the first calendar WiseAnswers
