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26 jun 1797 año - Jenner's Smallpox Presentation

Descripción:

Edward Jenner presented his smallpox inoculation to the Royal Society of London. When they didn't buy into his theory, he published "An Inquiry into the Causes and Effects of the Variolae Vaccinae".

Añadido al timeline:

fecha:

26 jun 1797 año
Ahora mismo
~ 227 years ago