2017年04月 / when was the calendar invented
12345678910111213Calendar Ancient Religious Systems 15161718192021222324252627282930Advent calendar Wikipedia
Common Era Wikipedia
2017年04月14日(金)
【More・・・】
During what period did the agenda devised?
During what period was the timetable first devised?
In which period was the timetable arise?
When was the agenda originally invented?
In which period was the calendar originally thought up?
When did the timetable firstly established?
At what time was the agenda creation?
During what period was the agenda come about for the first time?