[#]TodayinHistory #dataviz #Onthisday #OTD π
πJan 18, 1873 Baron Pierre Charles Dupin died in Paris, France π«π·
1826: Choropleth map with shadings from black to white (distribution and intensity of illiteracy in France), the first (unclassed) choropleth map, and perhaps the first modern statistical map
=> View attached media | View attached media
=> More informations about this toot | More toots from datavisFriendly@vis.social
text/gemini
This content has been proxied by September (3851b).