The historians' history of the world in twenty-five volumes, volume 07
CHAPTER VI
HERACLIUS AND HIS SUCCESSORS (610-717 A.D.) 170
The provinces under Heraclius, 173. Barriers against the Northern barbarians, 176. Religious activities of Heraclius, 177. Wars with the Mohammedans, 179. The reign of Constans II, 182. Religious feuds, 183. The growing danger from the Saracens, 184. Reign of Constantine IV, 186. Saracen wars and siege of Constantinople, 187. Justinian II, 189. The government of Leontius, 192. Justinian recovers the throne, 193. Anarchy, 194.