313

{| align=right cellpadding=3 id=toc style="margin-left: 15px;"\n|- \n| align="center" colspan=2 | Years:
309 310 311 312 - 313 - 314 315 316 317\n|-\n| align="center" colspan=2 | Decades:
280s 290s 300s - 310s - 320s 330s 340s\n|- \n| align="center" | Centuries:
3rd century - 4th century - 5th century\n|} Events\n*February - Conference of Milan.\n*Emperor Constantine issues the Edict of Milan, ending all persecution of Christians in the Roman Empire.\n*April 30 - Licinius becomes emperor of the eastern half of the Roman Empire.\n*October 2 - Lateran synod: Donatism is declared a heresy. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n