Assertion: church's doctrine | /r/HasProperty | declared heretical
Facets:
value: in the roman empire
type: LOCATION
Source sentences:
text: Originally the only Christian church recognized by Zoroastrian-led Sassanid Persia—through its alliance with the Lakhmids, the regional rivals to the Byzantines and its Ghassanid vassal—the Church of the East declared itself independent of other churches in 424 and over the next century became affiliated with Nestorianism, a Christological doctrine advanced by Nestorius, Patriarch of Constantinople from 428 to 431, which had been declared heretical in the Roman Empire.