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[ Dion (l. lxxviii. p. 1343) informs us that the extraordinary gifts of Caracalla to the army amounted annually to seventy millions of drachmæ (about two millions three hundred and fifty thousand pounds.) There is another passage in Dion, concerning the military pay, infinitely curious, were it not obscure, imperfect, and probably corrupt. The best sense seems to be, that the Prætorian guards received twelve hundred and fifty drachmæ, (forty pounds a year,) (Dion, l. lxxvii. p. 1307.) Under the reign of Augustus, they were paid at the rate of two drachmæ, or denarii, per day, 720 a year, (Tacit. Annal. i. 17.) Domitian, who increased the soldiers’ pay one fourth, must have raised the Prætorians to 960 drachmæ, (Gronoviue de Pecunia Veteri, l. iii. c. 2.) These successive augmentations ruined the empire; for, with the soldiers’ pay, their numbers too were increased. We have seen the Prætorians alone increased from 10,000 to 50,000 men. Note: Valois and Reimar have explained in a very simple and probable manner this passage of Dion, which Gibbon seems to me not to have understood. He ordered that the soldiers should receive, as the reward of their services the Prætorians 1250 drachms, the other 5000 drachms. Valois thinks that the numbers have been transposed, and that Caracalla added 5000 drachms to the donations made to the Prætorians, 1250 to those of the legionaries. The Prætorians, in fact, always received more than the others. The error of Gibbon arose from his considering that this referred to the annual pay of the soldiers, while it relates to the sum they received as a reward for their services on their discharge: donatives means recompense for service. Augustus had settled that the Prætorians, after sixteen campaigns, should receive 5000 drachms: the legionaries received only 3000 after twenty years. Caracalla added 5000 drachms to the donative of the Prætorians, 1250 to that of the legionaries. Gibbon appears to have been mistaken both in confounding this donative on discharge with the annual pay, and in not paying attention to the remark of Valois on the transposition of the numbers in the text.—G]
It was impossible that such a character, and such conduct as that of Caracalla, could inspire either love or esteem; but as long as his vices were beneficial to the armies, he was secure from the danger of rebellion. A secret conspiracy, provoked by his own jealousy, was fatal to the tyrant. The Prætorian præfecture was divided between two ministers. The military department was intrusted to Adventus, an experienced rather than able soldier; and the civil affairs were transacted by Opilius Macrinus, who, by his dexterity in business, had raised himself, with a fair character, to that high office. But his favor varied with the caprice of the emperor, and his life might depend on the slightest suspicion, or the most casual circumstance. Malice or fanaticism had suggested to an African, deeply skilled in the knowledge of futurity, a very dangerous prediction, that Macrinus and his son were destined to reign over the empire. The report was soon diffused through the province; and when the man was sent in chains to Rome, he still asserted, in the presence of the præfect of the city, the faith of his prophecy. That magistrate, who had received the most pressing instructions to inform himself of the successors of Caracalla, immediately communicated the examination of the African to the Imperial court, which at that time resided in Syria. But, notwithstanding the diligence of the public messengers, a friend of Macrinus found means to apprise him of the approaching danger. The emperor received the letters from Rome; and as he was then engaged in the conduct of a chariot race, he delivered them unopened to the Prætorian Præfect, directing him to despatch the ordinary affairs, and to report the more important business that might be contained in them. Macrinus read his fate, and resolved to prevent it. He inflamed the discontents of some inferior officers, and employed the hand of Martialis, a desperate soldier, who had been refused the rank of centurion. The devotion of Caracalla prompted him to make a pilgrimage from Edessa to the celebrated temple of the Moon at Carrhæ. [381] He was attended by a body of cavalry: but having stopped on the road for some necessary occasion, his guards preserved a respectful distance, and Martialis, approaching his person under a presence of duty, stabbed him with a dagger. The bold assassin was instantly killed by a Scythian archer of the Imperial guard. Such was the end of a monster whose life disgraced human nature, and whose reign accused the patience of the Romans. [39] The grateful soldiers forgot his vices, remembered only his partial liberality, and obliged the senate to prostitute their own dignity and that of religion, by granting him a place among the gods. Whilst he was upon earth, Alexander the Great was the only hero whom this god deemed worthy his admiration. He assumed the name and ensigns of Alexander, formed a Macedonian phalanx of guards, persecuted the disciples of Aristotle, and displayed, with a puerile enthusiasm, the only sentiment by which he discovered any regard for virtue or glory. We can easily conceive, that after the battle of Narva, and the conquest of Poland, Charles XII. (though he still wanted the more elegant accomplishments of the son of Philip) might boast of having rivalled his valor and magnanimity; but in no one action of his life did Caracalla express the faintest resemblance of the Macedonian hero, except in the murder of a great number of his own and of his father’s friends. [40]
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[ Carrhæ, now Harran, between Edessan and Nisibis, famous for the defeat of Crassus—the Haran from whence Abraham set out for the land of Canaan. This city has always been remarkable for its attachment to Sabaism—G]
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[ Dion, l. lxxviii. p. 1312. Herodian, l. iv. p. 168.]
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[ The fondness of Caracalla for the name and ensigns of Alexander is still preserved on the medals of that emperor. See Spanheim, de Usu Numismatum, Dissertat. xii. Herodian (l. iv. p. 154) had seen very ridiculous pictures, in which a figure was drawn with one side of the face like Alexander, and the other like Caracalla.]
After the extinction of the house of Severus, the Roman world remained three days without a master. The choice of the army (for the authority of a distant and feeble senate was little regarded) hung in anxious suspense, as no candidate presented himself whose distinguished birth and merit could engage their attachment and unite their suffrages. The decisive weight of the Prætorian guards elevated the hopes of their præfects, and these powerful ministers began to assert their legal claim to fill the vacancy of the Imperial throne. Adventus, however, the senior præfect, conscious of his age and infirmities, of his small reputation, and his smaller abilities, resigned the dangerous honor to the crafty ambition of his colleague Macrinus, whose well-dissembled grief removed all suspicion of his being accessary to his master’s death. [41] The troops neither loved nor esteemed his character. They cast their eyes around in search of a competitor, and at last yielded with reluctance to his promises of unbounded liberality and indulgence. A short time after his accession, he conferred on his son Diadumenianus, at the age of only ten years, the Imperial title, and the popular name of Antoninus. The beautiful figure of the youth, assisted by an additional donative, for which the ceremony furnished a pretext, might attract, it was hoped, the favor of the army, and secure the doubtful throne of Macrinus.