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AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
344498
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1

jan 1, 1864 - discovered the germ theory in 1864

Added to timeline:

27 Nov 2017
0
0
129
louis pasture

Date:

jan 1, 1864
Now
~ 155 years ago
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