Constantine I (25 jul 306 ano – 22 maio 337 ano)
Descrição:
 Constantine was the first Roman emperor to convert to Christianity.
His status as emperor  brought Christianity from obscurity to the forefront of the elite's religion.
https://en.wikipedia.org/wiki/Constantine_the_Great 
Adicionado na linha do tempo:
Data:
25 jul 306 ano
22 maio 337 ano
 ~ 30 years
Geo-tags: