1. Austrian Empire: Crown of Rudolf II, Holy Roman Emperor 2. German Empire: German State Crown 3. Russian Empire: Great Imperial Crown 4. Kingdom of Hungary: Holy Crown of Saint Stephen 5. German Empire: Crown of the German Empress 6. Kingdom of Bohemia: Crown of St. Wenceslas 7. Kingdom of Prussia: Crown of Wilhelm II 8. German Empire: Crown of the Crown Prince 9. Kingdom of Bavaria: Royal crown of Bavaria 10. United Kingdom: Crown of St. Edward 11. United Kingdom: Crown of Queen Victoria 12. Kingdom of Italy: Royal crown of Italy 13. Archduchy of Austria: Archducal coronet 14. Kingdom of Sweden: Crown of the Swedish Crown Prince 15. Kingdom of Romania: Steel Crown of Romania
“Adjusted Rank” means what percentage of the world’s population were killed by a particular conflict or upheaval. In other words, the An Lushan Rebellion killed somewhere around 15% of the people alive in the world. World War II, for comparison, killed around 3% of the people alive in the world in 1940.