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AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
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dec 31, 1793 - Joseph made his discovery and stating that chemical compounds always combine in constant proportions.

Added to timeline:

10 months ago
0
0
165
Gucci

Date:

dec 31, 1793
Now
~ 225 years ago
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