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November 30, 2025
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jan 1, 1400 BC - C: A number system is fully developed

Description:

China: Read more on page 26
Positional number system consisting of 9 symbols

Added to timeline:

ByAly
16 Jul 2019
2
0
1442

Date:

jan 1, 1400 BC
Now
~ 3428 years ago