Who invented the first calendar WiseAnswers
At what time did
the timetable invented?
In which period did the timetable initially devised?
At what time did the timetable come into existence?
In what period was the agenda originally devised?
During what period was the calendar firstly envisioned?
When was the timetable firstly devised?
In which period was the agenda inception?
When did the schedule come about for the first time?
