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AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
31990
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jan 1, 1803 - 1803 - Dalton's atomic theory.

Added to timeline:

8 months ago
0
0
90
Chem- atomic theory timeline

Date:

jan 1, 1803
Now
~ 215 years ago
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