At what time was the schedule devised?
In what period did the timetable first developed?
In what period did the timetable arise?
When was the agenda firstly invented?
During what period was the schedule firstly envisioned?
In
what period was the calendar initially devised?
During what period did the agenda creation?
In which period did the agenda emerge for the first time?
At what time was the schedule devised?
In what period did the timetable first developed?
In what period did the timetable arise?
When was the agenda firstly invented?
During what period was the schedule firstly envisioned?
In
what period was the calendar initially devised?
During what period did the agenda creation?
In which period did the agenda emerge for the first time?