aug 31, 1885 - E. Coli
Description:
The E. Coli bacteria itself was first discovered in the human colon by German bacteriologist Theodor Escherich. He also showed that strains of the bacteria were responsible for infant diarrhea.(from https://www.cdc.gov)
Added to timeline:
Date:
aug 31, 1885
Now
~ 140 years ago