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21 mar 1796 año - Variole animale

Descripción:

La toute première vache permettant à Edward Jenner de produire l'un des virus de la vaccine fut nommé Blossom

Añadido al timeline:

La variole

ByTpe
11 mar 2019
0
0
397

fecha:

21 mar 1796 año
Ahora mismo
~ 229 years ago
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