Map of languages in West Africa. (images2.imgbox.com) The data is quite old, so the number of speakers has probably increased drastically since then. Still, I guess that the proportions and geographical distribution should be more or less the same today.
River Basins of Iberia (cdn.fosstodon.org) by @terence (toot) for the #30DayMapChallenge (Day 3 – Polygons)
Vegetable consumption per capita in Europe (North America inside post) (landgeistdotcom.files.wordpress.com) Vegetable consumption per capita in North America (different color scale)...
Elevation ridge-map of the UK and Ireland (cdn.fosstodon.org) by @LisaHornung for day 2 (lines) of the #30DayMapChallenge...
Usage of daylight saving time across the world. (images2.imgbox.com) https://commons.wikimedia.org/wiki/File:DaylightSaving-World-Subdivisions.png
Division of the Ottoman Empire according to the Treaty of Sèvres. The treaty was later abandoned after the Turkish War of Independence, establishing the modern Turkish state. (upload.wikimedia.org) Wikipedia article
Mean snow cover start date in Europe (2000-2011). Map of mean snow cover melt date inside post. (www.researchgate.net) Mean snow cover melt date:...