a tricennial festival
1Constantine I — Constantinian /kon steuhn tin ee euhn/, adj. /kon steuhn teen , tuyn / 1. (Flavius Valerius Aurelius Constantinus) ( the Great ) A.D. 288? 337, Roman emperor 324 337: named Constantinople as the new capital; legally sanctioned Christian worship.… …
2Constantine the Great — This article is about Constantine as an Emperor. For Constantine as a Saint, see Constantine I and Christianity. Constantine I redirects here. For other uses, see Constantine I (disambiguation). Constantine I 57th Emperor of the Roman Empire …
