Attila, to whom the Romans gave the sobriquet, “_Flagellum Dei_,” _Scourge of God_, was driven by Ætius out of Gaul in the year 451; and the following year, pouring his wild hordes down upon Italy, conquered Aquillia, Pavia, Milan, and a great number of small cities, and was in the attitude of marching on Rome. The Emperor Valentinian III., who was a weak prince, panic-struck, shut himself up in Ravenna; and his general, Ætius, who had been so victorious in Gaul, partook of the general fear when invaded at home. The destruction of Rome and its imperial power, the slaughter and slavery of the Roman people, and the extinction of the church appeared probable. Under such a state of things, the emperor and his council prevailed on Leo the pontiff himself, supported by Albienus and Tragelius, men of great experience and talent, to undertake an embassy to the enemy’s camp, then on the banks of the Minzo. This embassy was accompanied by a most grand and numerous retinue—a small army—armed, not with the weapons of war, but with the crosier and crook. Nor did Attila attempt to hide his joy for their arrival. The most profound attention, the most convincing demonstrations of his kindness to them, were studiously displayed by him. The terms proposed were readily accepted, and Attila and his army, a tornado fraught with moral and physical ruin to Rome, the church, and the civilized world, silently sank away far behind the Danube. Nor is it strange that the great success of this embassy should have been attributed to some intervention of miraculous power during the dark ages that followed;—and hence we find that, four hundred years after, in one of Gruter’s copies of “The Historica Miscella,” it is stated that St. Peter and St. Paul stood, visible alone to Attila, on either side of Leo, brandishing a sword, commanding him to accept whatever Leo should offer; and this is quoted as credible history by Barronius, _ad ann._ 452, _no._ 47–59, and has been painted by Raffaele, at a much later period. The idea was perhaps poetical, and this piece alone would have immortalized the artist. But it is truly singular that this appearance of Peter and Paul should have gained a place in the Roman Breviary, especially as it is nowhere alluded to by Leo, nor by his secretary, Prosper, who was present at that treaty, nor by any contemporary whatever. The facts attached to Attila, in connection with this treaty, were:—His army was extremely destitute, and a contagious and very mortal disease was raging in his camp; in addition to which, Marcian had gathered a large army, then under march for Italy, to join the imperial forces under Ætius, while, at the same moment, another army, sent by Marcian long before, were then ravaging the country of the Huns themselves: of these facts Attila was well advised. These were the agencies that operated on his mind in favour of peace with Valentinian. To us the idea seems puerile to suppose Jehovah sending Peter and Paul,