jan 1, 1854 - John Snow: The Broad Street Pump
Description:
1854, Soho, John Snow, & The Broad Street Pump had Cholera, vs. 7% of people drinking from another pump, even identified "patient zero" as baby with diapers that blocked cesspool <3 feet from the pump's shaft, it was dirty water (not miasma aka bad air)Added to timeline:
Date:
jan 1, 1854
Now
~ 172 years ago