yes
The calendar was technically first invented by the Ancient Egyptians.
Egypt was one of the first kingdoms to have a solar calendar. The ancient Egyptians developed a calendar based on the solar cycle, which helped them track the annual flooding of the Nile River. This solar calendar was instrumental in agricultural planning and religious ceremonies.
The flooding of the nile
The ancient Egyptians accomplished many things. They erected the Sphinx and pyramids, and a rich and developed civilization for the time.
No. The Greeks did. __ No they didn't invent the first one. Many cultures developed calendars independently of each other at about the same time. It's hard to tell who was first. The Egyptians devised a the first 365-day calendar about 4236 B.C.E The Babylonians developed a lunar calendar about 4,000 years ago that divided the year into 12 months. The Greek calendar came much later.
Several early civilisations adopted the 365 day calendar. Notably the Ancient Egyptians. Certainly before 3000 BC
The Ancient Africans in Nabta around 6500 BCE built a "stonehenge". The Ancient Egyptians used Astronomy to support Agriculture Calendar.
The Egyptians developed the first accurate calendar.
The first lunar calendar was developed by ancient civilizations such as the Sumerians, Babylonians, and Egyptians. The Babylonians are credited with creating one of the earliest known lunar calendars, based on the cycles of the Moon's phases.
Ancient Egyptians were first to create beer.
The first person was human.
The shaduf is known as the first device used for lifting water in several ancient civilizations.