Join Holly and Tracy as they bring you the greatest and strangest Stuff You Missed In History Class in this podcast by iHeartRadio.
https://www.iheart.com/podcast/stuff-you-missed-in-history-cl-21124503/
John Snow's Ghost Map
In this episode of Stuff You Missed in History Class, Katie and Sarah discuss Dr. John Snow's famous 'ghost map' and work tracing a cholera outbreak in Victorian London.