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AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
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jan 1, 1785 - 1785 - Law of conservation of mass by LaVoisier.

Added to timeline:

13 Sep 2017
0
0
111
Chem- atomic theory timeline

Date:

jan 1, 1785
Now
~ 234 years ago
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