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Who invented the first calendar?

Updated: 10/27/2022
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10y ago

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The Mayans, Egyptians, Babylonians, Romans, and Chinese all had calendars in the ancient days. We use the Gregorian calendar decreed by Pope Gregory XIII. I couldn't tell you which came first because no one knows when the first calendar was invented or who did it. It is all a mystery!

No specific date or period has been determined for the invention of the calendar, since it is believed that humans around the world have used different means to mark the cycles of nature throughout time. For instance, the ancient Egyptians, Greeks, Chinese, and Mayans all had various calendar systems based on natural observations of the Moon's cycles and seasonal changes. The Egyptians were the first to work out a formula for the solar year (based on the position of the Sun), which differs slightly from the lunar year (based on the phases of the Moon). This formula was eventually adopted by the Romans and was the forerunner to the modern calendar.

The first Roman calendar had ten months and utilized a number of blank days or "filler" months when necessary to stretch the year to its proper 365 days. This calendar ran on a four-year cycle and had far too many blanks, so it was easily...
the calender that we know today was invented by the georgians, but the months were invented by the romans

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10y ago
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Addyson Simpson

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1y ago
Thank you

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Q: Who invented the first calendar?
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