Person
John Snow
- Events
- 1
- Episodes
- 3
- Years
- 1854–1855
Every event in Historedia whose sources name John Snow, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.
Events and episodes
1854 Broad Street cholera outbreak and John Snow's investigation
1854–1855Role: Physician and Epidemiologist
- Pump Identification
Snow identified the Broad Street pump as the source of infection through interviews with residents and mapping of death patterns.
- Outbreak Occurrence
A major cholera outbreak struck Soho on 31 August 1854, killing 420 people. Snow described it as the most terrible outbreak in the kingdom.
- Publication and Legacy
Snow published his findings in 1855, including a detailed investigation of the Soho outbreak, influencing modern epidemiology.
- Pump Identification
Sources
- 1854 Broad Street cholera outbreak Wikipedia, revision of 2026-09-22
- John Snow Wikipedia, revision of 2026-09-04