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.
These time measurements came from the Babylonian calendar.
George Washington invented the lunar calendar
The name of the person that invented the first calendar is not known. The first calendar was invented in Scotland.
China
The first sundial was invented in 609 BCE by the Neo-Babylonian Empire.
The Egyptian
Rome
The calendar was technically first invented by the Ancient Egyptians.
I t was invented around 4231 B.C.
The Romans invented it in 46 ad.