The History of the Advent Calendar from 1902 until now Jolablot
In what period was the calendar originated?
At what time did the timetable first developed?
In what period was the timetable come into existence?
At what time did the agenda initially devised?
In which period was the calendar initially imagined?
During what period was the calendar initially devised?
In which period did the calendar inception?
In what period did the timetable come about for the first time?
The History of the Advent Calendar I Oxford Open Learning
