Chapter XI: Reign Of Claudius, Defeat Of The Goths.—Part I. Part II. Part III. Reign Of Claudius.—Defeat Of The Goths.—Victories, Triumph, And Death Of Aurelian. Chapter XII: Reigns Of Tacitus, Probus, Carus And His Sons.—Part I. Part II. Part III. Conduct Of The Army And Senate After The Death Of Aurelian.— Reigns Of Tacitus, Probus, Carus, And His Sons. Chapter XIII: Reign Of Diocletian And His Three Associates.—Part I. Part II. Part III. Part IV. The Reign Of Diocletian And His Three Associates, Maximian, Galerius, And Constantius.—General Reestablishment Of Order And Tranquillity.—The Persian War, Victory, And Triumph.— The New Form Of Administration.—Abdication And Retirement Of Diocletian And Maximian. Chapter XIV: Six Emperors At The Same Time, Reunion Of The Empire.—Part I. Part II. Part III. Part IV. Troubles After The Abdication Of Diocletian.—Death Of Constantius.—Elevation Of Constantine And Maxentius. ­ Six Emperors At The Same Time.—Death Of Maximian And Galerius. —Victories Of Constantine Over Maxentius And Licinus.— Reunion Of The Empire Under The Authority Of Constantine. Chapter XV: Progress Of The Christian Religion.—Part I. Part II. Part III. Part IV. Part V. Part VI. Part VII. Part VIII. Part IX. The Progress Of The Christian Religion, And The Sentiments, Manners, Numbers, And Condition Of The Primitive Christians. VOLUME TWO Chapter XVI—Conduct Towards The Christians, From Nero To Constantine.—Part I. Part II. Part III. Part IV. Part V. Part VI. Part VII. Part VIII. The Conduct Of The Roman Government Towards The Christians, From The Reign Of Nero To That Of Constantine. Chapter XVII: Foundation Of Constantinople.—Part I. Part II. Part III. Part IV. Part V. Part VI. Foundation Of Constantinople.—Political System Constantine, And His Successors.—Military Discipline.—The Palace.—The Finances. Chapter XVIII: Character Of Constantine And His Sons.—Part I. Part II. Part III. Part IV. Character Of Constantine.—Gothic War.—Death Of Constantine.—Division Of The Empire Among His Three Sons.— Persian War.—Tragic Deaths Of Constantine The Younger And Constans.—Usurpation Of Magnentius.—Civil War.—Victory Of Constantius. Chapter XIX: Constantius Sole Emperor.—Part I. PartII. Part III. Part IV. Constantius Sole Emperor.—Elevation And Death Of Gallus.— Danger And Elevation Of Julian.—Sarmatian And Persian Wars.— Victories Of Julian In Gaul. Chapter XX: Conversion Of Constantine.—Part I. Part II. Part III. PartIV. The Motives, Progress, And Effects Of The Conversion Of Constantine.—Legal Establishment And Constitution Of The Christian Or Catholic Church. Chapter XXI: Persecution Of Heresy, State Of The Church.—Part I. Part II. Part III. Part IV. Part V. Part VI. Part VII.