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| Shapur II | 309 | 379 | Sasanians | ||
| Constantine I | 306 | 337 | Roman Empire | ||
| Constantine I or Constans | 306 | 350 | Roman Empire | ||
| Constantine I or Constantine II | 306 | 340 | Roman Empire | ||
| Constantine I or Constantius II | 306 | 361 | Roman Empire | ||
| House of Constantine | 305 | 363 | Roman Empire | ||
| Shaka | 305 | 335 | Kushanshahs | ||
| Peroz II | 303 | 330 | Kushanshahs | ||
| Ohrmazd II | 302 | 309 | Sasanians | ||
| Narseh | 293 | 302 | Sasanians | ||
| Wahram III | 293 | 293 | Sasanians | ||
| Constantine I or Tetrarchy | 284 | 337 | Roman Empire | ||
| Wahram II | 274 | 293 | Sasanians | ||
| Ohrmazd I | 272 | 273 | Sasanians | ||
| Wahram I | 271 | 274 | Sasanians | ||
| Uncertain (AD 260 - 402) | 260 | 402 | Roman Empire | ||
| Shapur I | 240 | 270 | Sasanians | ||
| Ardashir I | 224 | 240 | Sasanians | ||
| Constantinopolis | Roman Empire | ||||
| Roma | Roman Empire |