2017年04月 / Le calendrier mésoaméricain ancien temps partagé
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Advent calendar Wikipedia
2017年04月14日(金)
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Who invented the first calendar WiseAnswers When did the schedule devised?
In which period did the timetable initially devised?
During what period did the agenda come into existence?
When was the agenda firstly created?
During what period was the timetable originally envisioned?
During what period did the agenda initially created?
At what time was the agenda generation?
When was the timetable come about for the first time?