Constantine the Great and Christianity

council of Christian bishops in Nicaea, 325

church in Jerusalem, containing the two holiest sites in Christianity

legalization of Christianity in the Roman Empire, 313

4th-century battle for control of Rome

forged Roman imperial decree by which the emperor Constantine supposedly donated Rome and surrounding territory to the Pope

Byzantine church building in Istanbul, Turkey now a hall and museum

Arian bishop who baptized Constantine

thumb|The Labarum of Constantine I, reconstructed from the depiction on a follis minted . The three dots represent "medallions" which are said to have shown portraits of Constantine and his sons. The labarum ( or λάβουρον) was a vexillum (military standard) that displayed the "Chi-Rho" symbol ☧, a christogram formed from the first two Greek letters of the word "Christ" (, or Χριστός) – Chi (χ) and Rho (ρ). It was first used by the Roman emperor Constantine the Great.

church in Rome, Papal States

latin motto

church in Jerusalem

religious policies, beliefs, and effects of Constantine I

fresco by Gianfrancesco Penni

monastery on a hill in Cyprus

changes in Christianity associated with Constantine the Great

Roman religious policy under Constantine I (312-337 CE)

2014 film by Michael Redwood

former church in Antioch

thumb|260px|right|Statue of Constantine the Great, York Constantinianism is a religiopolitical ideology in Christian politics that epitomizes the unity of church and state, as opposed to separation of church and state. This view is modeled after an ideal Christendom, which arose during the reign of Constantine the Great.

set of books mentioned by Eusebius

Eastern Orthodox Christian feast day