The first recorded use of a calendar involved the cycles of the moon
Ancient hunters tracked time by carving the moon’s changing phases into bone and stone, creating a celestial map that helped early humans predict seasonal shifts and animal migrations long before the invention of writing.
Archaeologists believe the earliest timekeeping devices were lunar calendars dating back over 30,000 years. The Ishango Bone and the carvings at the Lascaux caves feature series of notches and dots that researchers interpret as records of the lunar cycle.
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