| Reign | Emperor | % Correct |
|---|---|---|
| 522–486 BC | Darius I | 96%
|
| 423–405 BC | Darius II | 96%
|
| 336–330 BC | Darius III | 96%
|
| 560–530 BC | Cyrus the Great | 94%
|
| 486–465 BC | Xerxes I | 94%
|
| 424 BC (45 days) | Xerxes II | 94%
|
| 465–424 BC | Artaxerxes I | 65%
|
| 405–358 BC | Artaxerxes II | 65%
|
| 358–338 BC | Artaxerxes III | 65%
|
| 338–336 BC | Artaxerxes IV | 65%
|
| 530–522 BC | Cambyses II | 55%
|
| 522 BC | Bardiya | 29%
|
| 424–423 BC | Sogdianus | 23%
|