Me i have no idea what to do and i am running out of time i dont want to get in trouble and i really need you so me i need a pargragh on how constantine became emperor of the roman empire. and why was it an important events.

Constantine was the son  of flavius valerius constantius, (a roman army officer, ) and his partner Helena. his father eventually became caesar, the deputy emperor in the west,) in 293 AD. therefore, constantine was sent to the east, where he accelerated through the ranks so he could become a military tribune under emperors diocletian and galerius. it was important because constantine became the first christian emperor of the roman empire. he helped make christianity a lawful, proper religion. he even founded constantinople, a city that is now istanbul. 
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this is some helpful information, good luck.