2017年04月 / Mesoamerican Calendars and Archaeoastronomy
12345678910111213The History of the Advent Calendar I Oxford Open Learning15161718192021222324252627282930When was the current BC
Who invented the first calendar WiseAnswers
2017年04月14日(金)
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When was the agenda devised?
In which period did the agenda first established?
During what period was the calendar come into existence?
At what time was the timetable originally invented?
During what period did the agenda originally imagined?
In what period did the schedule initially devised?
In what period did the calendar inception?
In what period was the agenda come about for the first time?