Wednesday, 17 September 2025

International Microrganism Day

 



Antonie van Leeuwenhoek, who on September 17, 1683, sent a letter to the Royal Society of London describing "animalcules"—what we now know as bacteria—observed through his handcrafted microscopes.

September 17, 1683


International Microrganism Day

September 17, 1683 To September 17, 2025



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