Original: Flavius Valerius Aurelius Constantinus (c. 27 February 272 â "22 May 337), commonly known as Constantine I, Constantine the Great, or Saint Constantine (or), was Roman Emperor from 306 to 337.
Simplified: Constantine I (27 February 272 â "22 May 337 AD) was a powerful general who reigned over the Roman Empire as emperor, until his death.