Towards the east it is difficult to circumscribe the dominion of Attila over the Scythian deserts; yet we may be assured that he reigned on the banks of the Volga; that the king of the Huns was dreaded, not only as a warrior, but as a magician; that he insulted and vanquished the khan of the formidable Geougen; and that he sent ambassadors to negotiate an equal alliance with the empire of China. In the proud review of the nations who acknowledged the sovereignty of Attila and who never entertained, during his lifetime, the thought of a revolt, the Gepidæ and the Ostrogoths were distinguished by their numbers, their bravery, and the personal merit of their chiefs. The ambassadors of the Huns might awaken the attention of Theodosius by reminding him that they were his neighbours, both in Europe and Asia; since they touched the Danube on one hand, and reached with the other as far as the Tanais. In the reign of his father Arcadius, a band of adventurous Huns had ravaged the provinces of the East; from whence they brought away rich spoils and innumerable captives. They advanced, by a secret path, along the shores of the Caspian Sea; traversed the snowy mountains of Armenia; passed the Tigris, the Euphrates, and the Halys; recruited their weary cavalry with the generous breed of Cappadocian horses; occupied the hilly country of Cilicia, and disturbed the festal songs and dances of the citizens of Antioch. Egypt trembled at their approach; and the monks and pilgrims of the Holy Land prepared to escape their fury by a speedy embarkation. The memory of this invasion was still recent in the minds of the Orientals. The subjects of Attila might execute, with superior forces, the design which these adventurers had so boldly attempted; and it soon became the subject of anxious conjecture whether the tempest would fall on the dominions of Rome or of Persia. Some of the great vassals of the king of the Huns, who were themselves in the rank of powerful princes, had been sent to ratify an alliance and society of arms with the emperor, or rather with the general, of the West. They related, during their residence at Rome, the circumstances of an expedition which they had lately made into the East. After passing a desert and a morass, supposed by the Romans to be the lake Mæotis, they penetrated through the mountains, and arrived at the end of fifteen days’ march on the confines of Media, where they advanced as far as the unknown cities of Basic and Cursic. They encountered the Persian army in the plains of Media; and the air, according to their own expression, was darkened by a cloud of arrows. But the Huns were obliged to retire before the numbers of the enemy. Their laborious retreat was effected by a different road; they lost the greatest part of their booty; and at length returned to the royal camp, with some knowledge of the country and an impatient desire for revenge. [Sidenote: [441-447 A.D.]]