Julian calendar WikipediaAt what time did the agenda created?
In which period did the timetable first established?
In what period did the timetable come into existence?
At what time was the schedule originally invented?
In which period did the timetable firstly thought up?
At what time was the agenda firstly devised?
In which period did the timetable generation?
At what time did the timetable emerge for the first time?
