OnlMaps on Nostr: Population of European countries in 1858. ...
Population of European countries in 1858.
https://mapsontheweb.zoom-maps.com/post/690544666215677952/population-of-european-countries-in-1858-by
https://mapsontheweb.zoom-maps.com/post/690544666215677952/population-of-european-countries-in-1858-by