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21h 2min, oct 20, 598 y - Chinese Invention

Description:

1) Gunpowder
2) Paper Money
3) Clock
4) Porcieln

Added to timeline:

World History

ByKatie Allison

20 Oct 2017

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626

Date:

21h 2min, oct 20, 598 y

Now

~ 1428 years ago

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