| YEAR | DATE | EVENT | HEAD OF STATE |
| 728 | b.C. | Kingdom of Media - Achaemenidis dinasty | king Deioces |
| 675 | b.C. | king Phraortes | |
| 653 | b.C. | king Cyaxares | |
| 585 | b.C. | king Astyages | |
| 550 | b.C. | king Cyrus I | |
| 529 | b.C. | king Cambyses I | |
| 522 | b.C. | king Darius I | |
| 486 | b.C. | king Xerxes I | |
| 465 | b.C. | king Artaxerxes I | |
| 424 | b.C. | king Xerxes II | |
| 423 | b.C. | king Darius II | |
| 404 | b.C. | king Artaxerxes II | |
| 359 | b.C. | king Artaxerxes III | |
| 338 | b.C. | king Arses | |
| 336 | b.C. | king Darius III | |
| 331 | b.C. | king Artaxerxes IV | |
| 328 | b.C. | king Alexander king di Macedonia | |
| 323 | b.C. | Seleucide dinasty | king Seleuco I |
| 281 | b.C. | king Antioco I | |
| 261 | b.C. | king Antioco II |