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/es/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
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8 feb 1858 año - Paul Louis Simond
Descripción:
French army physican
Working w/ pastuer
experimente with rats if fleas can transmit fleas to eachother.
Añadido al timeline:
new disease
By
Tassya
14 dic 2018
1
0
559
fecha:
8 feb 1858 año
Ahora mismo
~ 167 years ago
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