| Clue | Answer | % Correct |
|---|---|---|
| Conquered Persia | Alexander III | 97%
|
| Westernized Russia | Peter I | 90%
|
| Ruled Russia during the Golden Age | Catherine II | 86%
|
| Greatly expanded the Frankish Empire | Charlemagne | 80%
|
| Stop religious persecutions of Christians in the Roman Empire | Constantine I | 64%
|
| Made Prussia a major power | Frederick II | 62%
|
| Founded the Achaemenid Empire | Cyrus II | 60%
|
| Ruled the Persians at their Peak | Darius I | 56%
|
| Defended Wessex from Viking invasions | Alfred I | 53%
|
| Wanted to restore the Roman Empire | Justinian I | 38%
|
| Unified Hawaii | Kamehameha I | 32%
|
| Founded and Ruled the North Sea Empire | Canute | 29%
|
| Only Polish king deemed 'Great' | Casimir III | 17%
|
| Made Sweden a Great Power | Gustav II Adolf | 14%
|
| Made Songhai the largest empire in West Africa | Askia Mohammad I | 8%
|
| He is responsible for some of Palenque's great architecture | K'inich Janaab' Pakal I | 4%
|
| Ruled Sukothai during its most prosperous era | Ram Khamhaeng | 4%
|