<Li> 250? Origen, Jesus and God one substance, adopted at First Council of Nicaea in 325, compiled Hexapla; cites Alexandrian, Caesarean text - type; Eusebius claimed Origen castrated himself for Christ due to Mt19: 12 (EH6. 8.1 - 3) </Li> <Li> 251 - 258 Antipope Novatian, decreed no forgiveness for sins after baptism </Li> <Li> 254 - 257 Pope Stephen I; major schism over rebaptizing heretics and apostates </Li> <Li> 258 "Valerian's Massacre": Roman emperor issued edict to execute immediately all Christian Bishops, Presbyters, and Deacons, including Pope Sixtus II, Antipope Novatian, Cyprian of Carthage (CE: Valerian, Schaff's History Vol 2 Chap 2 § 22) </Li>

What was the structure of christianity as it emerged from the roman empire