Reign Of The Younger Justin.—Embassy Of The Avars.—Their Settlement On The Danube.—Conquest Of Italy By The Lombards.—Adoption And Reign Of Tiberius.—Of Maurice.— State Of Italy Under The Lombards And The Exarchs.—Of Ravenna.—Distress Of Rome.—Character And Pontificate Of Gregory The First. Chapter XLVI: Troubles In Persia.—Part I. Part II. Part III. Part IV. Revolutions On Persia After The Death Of Chosroes On Nushirvan.—His Son Hormouz, A Tyrant, Is Deposed.— Usurpation Of Baharam.—Flight And Restoration Of Chosroes II.—His Gratitude To The Romans.—The Chagan Of The Avars.— Revolt Of The Army Against Maurice.—His Death.—Tyranny Of Phocas.—Elevation Of Heraclius.—The Persian War.—Chosroes Subdues Syria, Egypt, And Asia Minor.—Siege Of Constantinople By The Persians And Avars.—Persian Expeditions.—Victories And Triumph Of Heraclius. Chapter XLVII: Ecclesiastical Discord.—Part I. Part II. Part III. Part IV. Part V. Part VI. Theological History Of The Doctrine Of The Incarnation.—The Human And Divine Nature Of Christ.—Enmity Of The Patriarchs Of Alexandria And Constantinople.—St. Cyril And Nestorius.— Third General Council Of Ephesus.—Heresy Of Eutyches.— Fourth General Council Of Chalcedon.—Civil And Ecclesiastical Discord.—Intolerance Of Justinian.—The Three Chapters.—The Monothelite Controversy.—State Of The Oriental Sects:—I. The Nestorians.—II. The Jacobites.— III. The Maronites.—IV. The Armenians.—V. The Copts And Abyssinians. Chapter XLVIII: Succession And Characters Of The Greek Emperors.—Part I. Part II. Part III. Part IV. Part VI. Plan Of The Two Last Volumes.—Succession And Characters Of The Greek Emperors Of Constantinople, From The Time Of Heraclius To The Latin Conquest. VOLUME FIVE Chapter XLIX: Conquest Of Italy By The Franks.—Part I. Part II. Part III. Part IV. Part V. Part VI. Introduction, Worship, And Persecution Of Images.—Revolt Of Italy And Rome.—Temporal Dominion Of The Popes.—Conquest Of Italy By The Franks.—Establishment Of Images.—Character And Coronation Of Charlemagne.—Restoration And Decay Of The Roman Empire In The West.—Independence Of Italy.— Constitution Of The Germanic Body. Chapter L: Description Of Arabia And Its Inhabitants.—Part I. Part II. Part III. Part IV. Part V. Part VI. Part VII. Part VIII. Description Of Arabia And Its Inhabitants.—Birth, Character, And Doctrine Of Mahomet.—He Preaches At Mecca.— Flies To Medina.—Propagates His Religion By The Sword.— Voluntary Or Reluctant Submission Of The Arabs.—His Death And Successors.—The Claims And Fortunes Of Ali And His Descendants. Chapter LI: Conquests By The Arabs.—Part I. Part II. Part III. Part IV. Part V. Part VI. Part VII. Part VIII. Part IX.