I. The Emperor Julian at Vienne learns that Constantius is about to die--How he knew it--An essay on the different arts of learning the future.--II. Julian at Vienne feigns to be a Christian in order to conciliate the multitude, and on a day of festival worships God among the Christians.--III. Vadomarius, king of the Allemanni, breaking his treaty, lays waste our frontier, and slays Count Libino, with a few of his men.--IV. Julian having intercepted letters of Vadomarius to the Emperor Constantius, contrives to have him seized at a banquet; and having slain some of the Allemanni, and compelled others to surrender, grants the rest peace at their entreaty.--Julian harangues his soldiers, and makes them all promise obedience to him, intending to make war upon the Emperor Constantius.--VI. Constantius marries Faustina--Increases his army by fresh levies; gains over the kings of Armenia and Hiberia by gifts.--VII. Constantius, at that time at Antioch, retains Africa in his power by means of his secretary Gaudentius; crosses the Euphrates, and moves with his army upon Edessa.--VIII. After settling the affairs of Gaul, Julian marches to the Danube, sending on before a part of his army through Italy and the Tyrol.--IX. Taurus and Florentius, consuls, and prefects of the prætorium, fly at the approach of Julian, the one through Illyricum, the other through Italy--Lucillianus, the commander of the cavalry, who was preparing to resist Julian, is crushed by him.--X. Julian receives the allegiance of Sirmium, the capital of Western Illyricum, and of its garrison--Occupies the country of the Sacci, and writes to the senate letters of complaint against Constantius.--XI. Two of the legions of Constantius which at Sirmium had passed over to Julian are sent by him into Gaul, and occupy Aquileia, with the consent of the citizens, who, however, shut their gates against the troops of Julian.--XII. Aquileia takes the part of Constantius, and is besieged, but presently, when news of his death arrives, surrenders to Julian.--XIII. Sapor leads back his army home, because the auspices forbid war--Constantius, intending to march against Julian, harangues his soldiers.--XIV. Omens of the death of Constantius.--XV. Constantius dies at Mopsucrenæ in Cilicia.--XVI. His virtues and vices. I. A.D. 360. § 1. While Constantius was detained by this perplexing war beyond the Euphrates, Julian at Vienne devoted his days and nights to forming plans for the future, as far as his limited resources would allow; being in great suspense, and continually doubting whether to try every expedient to win Constantius over to friendship, or to anticipate his attack, with the view of alarming him.