The New Testament

45- 95 A.D. The New Testament was written in Greek. The Pauline Epistles, 
the Gospel of Mark 
the Gospel of Matthew
the Gospel of Luke 
the Gospel of John and the Revelation may have been written as late as 95 A.D.
The book of Acts are all dated from 45-63 A.D.

Constantine I  was Roman Emperor from 306 to 337 

First Council of Nicaea 325 AD  settlement of the Trinitarian issue of the nature of The Son and his relationship to God the Father