| Answer | Crossword Clue |
|---|---|
| ATHENS | Constantine's metropolis. |
| ATHENS | Constantine's capital. |
| ATHENS | Constantine's city. |
| GREECE | Constantine's kingdom. |
| CROSS | Constantine's vision |
| ROOD | Constantine's vision |
| NIS | Constantine's birthplace |
| HELENA | Constantine's mother |
| IRENE | King Constantine's sister. |
| DCCIX | Year in Constantine's papacy |
| ARIUS | Theologian of Constantine's day |
| CCCVI | First year in Constantine's reign |
| HOC | "In ... signo vinces" (Constantine's motto) |
