The Rulers of Europe: Every Year
Why the open web links it
Visualizes the changing rulers of European countries from 400 BC to the present.
Linked by 9 independent sites, 4 of them widely read in the 2026-10 crawl of the open web, including xataka.com, slatestarcodex.com, dailynewshungary.com, medievalists.net, updateordie.com.