In what period did the timetable devised?
When did the agenda initially devised?
In what period did the timetable emerge?
When was the calendar initially devised?
In which period was the
schedule firstly imagined?
During what period did the agenda initially introduced?
In which period did the agenda creation?
In which period did the calendar come about for the first time?
- 04/13/01:39
- List of decades centuries and millennia Wikipedia
