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nov 19, 3500 BC - 苏美尔文明

Description:

位置：美索不达米亚
技术：灌溉、冶金、梨、车轮

Added to timeline:

世界文明史

22 Nov 2018

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424

Date:

nov 19, 3500 BC

Now

~ 5531 years ago

Geo:

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