Answer The Mayans were the first to develope the calendar. Since then other tribes and groups of people have used it as a way of keeping up with the days, week, month and year. It has changed quite a bit too. Now into the modern calendar we use today. Hope I helped.
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The ancient Egyptians first divided the year on this pattern, around 6000 years ago, based on the observations of their priests. They derived the number from the same golden section which gave us the duodecahedron, and which they believed was the Earthly representation of the Heavens. That is why there are two lots of 12 hours in a day, and why minutes and seconds are all 12 based.
The Mayan people made the calender. There is a movie about it called 2012. Supposedly this is when the Mayan calender ended soa common theory says that the Mayan predicted that is when the world would end.
The calendar was created for the same reason we use it today, to keep track of dates and holidays.
It is believed to have been created by Romulus, the founder of Rome. Several different forms of it evolved during the 700 years it was in use before it was finally reformed by Julius Caesar into the Julian calendar, which is extremely similar to, but less accurate than, the Gregorian calendar we use today. The original Roman calendar's founder is unknown as it was a date calculating system that was traditional. The calendar that we know today as the Roman calendar, the Julian Calendar, was reorganized by Julius Caesar.
Dr. Aloysious Lilius proposed it and Pope Gregory VIII decreed it. It is named the Gregorian calendar after the Pope.
My teacher said that he invented the calendar. He used his name Julius as July and Octiavan as October and Augustus as August. He sounded pretty clever didn't he! Well I hope my answer helps!!!
The calendar was technically first invented by the Ancient Egyptians.
Julius Caesar is credited with changing the Roman calendar from 355 days to 365 days and for adding leap year days every few years (and for changing the name of Quintilis to July in honor of himself).
Historians do not know who or when mankind invented the first calendar, probably early man when he first carved a notch into a stick or a bone which marked the passing of each full moon. Notched bones used to record moon phases have been found in Africa and Europe dating back to about 20,500 BC. There are many different calendars invented by different cultures to suit their needs. The mayans created a calender, but I believe the calendar we use is based off of the Romans. Some also believe that the Sumerians invented the 12-month calendar.
All of the English month names are based on the Latin names of the Roman months. The calendar we use is the Gregorian calendar. It derives its name from Pope Gregory XIII who introduced some minor modifications to the Julian calendar in the 16th century. This means that we use a slightly modified version of the calendar introduced by Julius Caesar.