Timeline of Roman History

By skyman11
  • 293

    Diocletian creates the Tetrarchy System

  • 303

    The Great Persecution Begins

  • 306

    Constantine Becomes Augustus of the West

  • 312

    Constantine defeates Maxentius at the Battle of the Milvian Bridge

  • 313

    Edict of Milan legalizes Christianity in the Empire

  • 325

    Council of Nicaea

    Constantine attempts to unify Christian doctrine in the Roman Empire by hosting the Council of Nicaea

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