313 EDICT OF TOLERATION (Roman Empire)
The Emperor Constantine and his co-emperor Licinius officially recognized Christianity. This edict authorized the toleration of different religions in the Roman Empire yet gave supremacy to Christianity.
315 CODE OF CONSTANTINE (Roman Empire)
Constantine's first anti-Jewish decree. It limited the rights of non-Christians.
C. 315 EUSEBIUS OF CAESAREA
Wrote his Historia Ecclesiastica, , a chronological account Early Christianity. Eusebius (c. 260–c. 339), tried to prove that immediately after rejecting Jesus, the Jews were punished by heaven with many disasters. In his fear that some Christians still sympathize with Judaism, he wrote a Jew is "a liar, even as also is his father the devil" He urged Christians to have nothing to do with Jews ,"For where there is Christianity there cannot be Judaism".