Historical data visualization · 1854
John Snow: the Broad Street cholera map
Soho, London · August and September 1854
John Snow’s map of the 1854 cholera deaths around Broad Street, which pointed to a single public water pump.
Read the text The whole poster as a web page
- Print from
- A3
- License
- Public domain (map); notice: MIT
- Source
- commons.wikimedia.org
- Retrieved
- 26 September 2026
- Language
- English
- Rights holder
- John Snow, 1854
Theme
Download
- A seriesPrints at A0, A1, A2 or A3
- 50 × 70 cm
- 60 × 80 cm
Every Historical data visualization poster, in every format and theme, as one zip from the latest release.
Print from A3: the smallest A size at which the body text is at least 8 pt.
Wallpaper
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Edition
Digitally enhanced scan from the UCLA Department of Epidemiology, as uploaded to Wikimedia Commons (20124 x 18877 px), reduced to 4400 px and two tones for the poster. The notice below the map is not a period text: it was written for this poster.
Rights
John Snow died in 1858 and the map was published in 1855: it is in the public domain in France and in the United States. Wikimedia Commons marks the file as public domain.
The notice written for the poster is covered by the MIT license of this repository.
