The name Sumer is not the Sumerians' own name, but the names given to them by others. Akkadians first used this name. Sumerians call themselves "sag-gi-ga" and call their place "ki-en-gir".

There are obvious differences between ancient Egyptians and dark whites and Nubian blacks. According to records, the ancient Egyptians were neither tall nor short and had no beard (only the chin had a beard). According to the murals, the skin color of men is brownish red, while women are painted yellow.

Extended data

Many Sumerian inventions were very important to the later development of science, technology and culture. Some people think they invented the wheel. The writing they invented is the earliest known writing system. They were the first people to record astronomical phenomena. Sumerians divided a year into 12 months and ***354 days according to the moon's profit and loss, and set leap months to adjust the difference between the lunar calendar and the solar calendar.

By the 7th century BC, a 7-day-a-week system was formed, and they also introduced a timing system, which divided the hours into 60 minutes and 60 seconds per minute. It is possible that they invented the army array.

They introduced intensive agriculture in ancient Mesopotamia. Many important crops and livestock (sheep and cattle) are scattered here. Therefore, Sumerians are the most creative and inventive human culture in the early days.

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