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What was a sumerian calendar made out of? - Answers
What impact did the Sumerian calendar have on today's society
Did the Mound Builders make the first calendar? - Answers
Was the 365-day calendar achievements of the Sumerian? - Answers
Why was the Sumerian lunar calendar inaccurate? - Answers
What were two ways in which Sumerian society was similar to
What type of standard calendar in use today? - Answers
Why was the Sumerian lunar calendar inaccurate? - Answers
What are the mounds in Mesopotamia? - Answers
How many revolutions does the moon make around the earth in a …