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1 janv. 1721 - The Royal Experiment

Description:

Prisoners and orphans are innoculated for small pox to ensure that the practice was safe

Ajouté au bande de temps:

From A to Zika: Diseases and Medical Advancements Through Time

14 déc. 2018

Date:

1 janv. 1721

Maintenaint

~ Il y a 303 ans

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