| A | B |
| Diocletian | Persecuted Christians in a consisten, efficient manner |
| Irenaeus | Opposed Gnosticism |
| Constantine | Claimed a great military victory in the name of Christ, the Son of God |
| Constantine | Was the son of Helena, a Christian |
| Constantine | Issued the Edict of Milan |
| Ignatius of Antioch | Bishop who was takent o Rome to face his martyrdom |
| Justin | Early apologist and martyr |
| Theodosius | made Christianity the official religion of the Roman empire |
| Arius | Originated the heresy that Jesus was not truly divine |
| Athanasius | Eloquently argued against the Arian heresy |
| Blandina | Slave who was martyred in Lyons |