The Mr gazzi calendar
The Sumariens created the calendar that we use today.
No. The mayans made the calendar and this calendar is what we use today.
I can't see "this" calendar.
It is the Gregorian calendar which we use today
Gregorian
The calendar we use today was made by the Romans under Julius Caesar, thus, it is called the Julian calendar.
If you mean 365.25 days in a year then it was the Romans who introduced the calendar that we now use today.
The Gregorian calendar is the most widely used calendar system in the world today. It was introduced by Pope Gregory XIII in 1582 as a reform of the Julian calendar.
Julius Cesar
The Mayans, Egyptians, Babylonians, and Chinese all had calendars in the ancient days. The calendar we use to today was first developed by the Romans, under Julius Caesar (the Julian Calendar). That was modified by the Gregorian Calendar (named for Pope Gregory XIII), which we still use today
Some countries that use the lunar calendar include Saudi Arabia, Israel, China, South Korea, and Indonesia. The Islamic calendar is based on lunar cycles, while countries like China and Korea use a lunisolar calendar which incorporates both the lunar and solar cycles.
We currently use the Gregorian calendar, which was introduced by Pope Gregory XIII in 1582 to reform the previous Julian calendar. It is the most widely used calendar system in the world today.