They advanced their civilization by advancing in mathematics and cuneiform
when did Sumerian civilization end
The Sumerians
Yes.
The Sumerians had a highly developed language.
the sumerians or ancient egypt
Neighboring Sumerians and the Akkadians were bilingual.
Neighboring Sumerians and the Akkadians were bilingual.
sumerians
The Sumerians
sumerians
about 300 years
Sumerians and artisans