When was the agenda originated?
When did the calendar first developed?
During what period was the
agenda emerge?
In which period was the schedule initially devised?
During what period did the timetable firstly imagined?
In what period was the calendar initially established?
During what period was the schedule inception?
When was the calendar come about for the first time?
When was the agenda originated?
When did the calendar first developed?
During what period was the
agenda emerge?
In which period was the schedule initially devised?
During what period did the timetable firstly imagined?
In what period was the calendar initially established?
During what period was the schedule inception?
When was the calendar come about for the first time?
