Constantine (11 h, jan 21, 306 y – 19h 24min, jun 13, 337 y)
Description:
Constantine the Great renamed Byzantium to Constantinople.Constantine was the first Christian Roman emperor; thus, he legalized Christianity for the entirety of Rome.
Added to timeline:
Date:
11 h, jan 21, 306 y
19h 24min, jun 13, 337 y
~ 31 years