18
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
1714827
138618
2

jan 1, 1870 - JJ Thomson

Added to timeline:

2 months ago
0
0
20
Atomic Theory

Date:

jan 1, 1870
Now
~ 149 years ago
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