years before, by the Saami
Yes, they did have a calendar.
Some ancient Babylonian inventions are mathematics and astronomy. The Babylonians invented the accurate calendar and knew place value. they also traded with other neighboring cities for economy.
George Washington invented the lunar calendar
These time measurements came from the Babylonian calendar.
The name of the person that invented the first calendar is not known. The first calendar was invented in Scotland.
China
It is not known who invented the lunar calendar. However, the ancient Chinese are among the first people who begin using a lunar calendar.
The first sundial was invented in 609 BCE by the Neo-Babylonian Empire.
The Egyptian
King Hammurabi
Rome
The calendar was technically first invented by the Ancient Egyptians.