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Part I.
Introduction.
In the second century of the Christian Era, the empire of
Rome comprehended the fairest part of the earth, and the most
civilized portion of mankind. The frontiers of that extensive
monarchy were guarded by ancient renown and disciplined valor.
The gentle but powerful influence of laws and manners had
gradually cemented the union of the provinces. Their peaceful
inhabitants enjoyed and abused the advantages of wealth and
luxury. The image of a free constitution was preserved with
decent reverence: the Roman senate appeared to possess the
sovereign authority, and devolved on the emperors all the
executive powers of government. During a happy period of more
than fourscore years, the public administration was conducted by
the virtue and abilities of Nerva, Trajan, Hadrian, and the two
Antonines. It is the design of this, and of the two succeeding
chapters, to describe the prosperous condition of their empire;
and after wards, from the death of Marcus Antoninus, to deduce
the most important circumstances of its decline and fall; a
revolution which will ever be remembered, and is still felt by
the nations of the earth.
The principal conquests of the Romans were achieved under
the republic; and the emperors, for the most part, were satisfied
with preserving those dominions which had been acquired by the
policy of the senate, the active emulations of the consuls, and
the martial enthusiasm of the people. The seven first centuries
were filled with a rapid succession of triumphs; but it was
reserved for Augustus to relinquish the ambitious design of
subduing the whole earth, and to introduce a spirit of moderation
into the public councils. Inclined to peace by his temper and
situation, it was easy for him to discover that Rome, in her
present exalted situation, had much less to hope than to fear
from the chance of arms; and that, in the prosecution of remote
wars, the undertaking became every day more difficult, the event
more doubtful, and the possession more precarious, and less
beneficial. The experience of Augustus added weight to these
salutary reflections, and effectually convinced him that, by the
prudent vigor of his counsels, it would be easy to secure every
concession which the safety or the dignity of Rome might require
from the most formidable barbarians. Instead of exposing his
person and his legions to the arrows of the Parthians, he
obtained, by an honorable treaty, the restitution of the
standards and prisoners which had been taken in the defeat of
Crassus. 1
Footnote 1: Dion Cassius, (l. liv. p. 736,) with the annotations
of Reimar, who has collected all that Roman vanity has left upon
the subject. The marble of Ancyra, on which Augustus recorded
his own exploits, asserted that he compelled the Parthians to
restore the ensigns of Crassus.
His generals, in the early part of his reign, attempted the
reduction of Ethiopia and Arabia Felix. They marched near a
thousand miles to the south of the tropic; but the heat of the
climate soon repelled the invaders, and protected the un-warlike
natives of those sequestered regions. 2 The northern countries
of Europe scarcely deserved the expense and labor of conquest.
The forests and morasses of Germany were filled with a hardy race
of barbarians, who despised life when it was separated from
freedom; and though, on the first attack, they seemed to yield to
the weight of the Roman power, they soon, by a signal act of
despair, regained their independence, and reminded Augustus of
the vicissitude of fortune. 3 On the death of that emperor, his
testament was publicly read in the senate. He bequeathed, as a
valuable legacy to his successors, the advice of confining the
empire within those limits which nature seemed to have placed as
its permanent bulwarks and boundaries: on the west, the Atlantic
Ocean; the Rhine and Danube on the north; the Euphrates on the
east; and towards the south, the sandy deserts of Arabia and
Africa. 4
Footnote 2: Strabo, (l. xvi. p. 780,) Pliny the elder, (Hist.
Natur. l. vi. c. 32, 35, 28, 29, and Dion Cassius, (l. liii. p.
723, and l. liv. p. 734,) have left us very curious details
concerning these wars. The Romans made themselves masters of
Mariaba, or Merab, a city of Arabia Felix, well known to the
Orientals. (See Abulfeda and the Nubian geography, p. 52) They
were arrived within three days' journey of the spice country, the
rich object of their invasion.
Note: It is the city of Merab that the Arabs say was the
residence of Belkis, queen of Saba, who desired to see Solomon.
A dam, by which the waters collected in its neighborhood were
kept back, having been swept away, the sudden inundation
destroyed this city, of which, nevertheless, vestiges remain. It
bordered on a country called Adramout, where a particular
aromatic plant grows: it is for this reason that we real in the
history of the Roman expedition, that they were arrived within
three days' journey of the spice country. - G. Compare
Malte-Brun, Geogr. Eng. trans. vol. ii. p. 215. The period of
this flood has been copiously discussed by Reiske, (Program. de
vetusta Epocha Arabum, ruptura cataractae Merabensis.) Add.
Johannsen, Hist. Yemanae, p. 282. Bonn, 1828; and see Gibbon,
note 16. to Chap. L. - M.
Note: Two, according to Strabo. The detailed account of
Strabo makes the invaders fail before Marsuabae: this cannot be
the same place as Mariaba. Ukert observes, that Aelius Gallus
would not have failed for want of water before Mariaba. (See M.
Guizot's note above.) "Either, therefore, they were different
places, or Strabo is mistaken." (Ukert, Geographic der Griechen
und Romer, vol. i. p. 181.) Strabo, indeed, mentions Mariaba
distinct from Marsuabae. Gibbon has followed Pliny in reckoning
Mariaba among the conquests of Gallus. There can be little doubt
that he is wrong, as Gallus did not approach the capital of
Sabaea. Compare the note of the Oxford editor of Strabo. - M.
Footnote 3: By the slaughter of Varus and his three legions.
See the first book of the Annals of Tacitus. Sueton. in August.
c. 23, and Velleius Paterculus, l. ii. c. 117, &c. Augustus did
not receive the melancholy news with all the temper and firmness
that might have been expected from his character.
Footnote 4: Tacit. Annal. l. ii. Dion Cassius, l. lvi. p. 833,
and the speech of Augustus himself, in Julian's Caesars. It
receives great light from the learned notes of his French
translator, M. Spanheim.
Happily for the repose of mankind, the moderate system
recommended by the wisdom of Augustus, was adopted by the fears
and vices of his immediate successors. Engaged in the pursuit of
pleasure, or in the exercise of tyranny, the first Caesars seldom
showed themselves to the armies, or to the provinces; nor were
they disposed to suffer, that those triumphs which their
indolence neglected, should be usurped by the conduct and valor
of their lieutenants. The military fame of a subject was
considered as an insolent invasion of the Imperial prerogative;
and it became the duty, as well as interest, of every Roman
general, to guard the frontiers intrusted to his care, without
aspiring to conquests which might have proved no less fatal to
himself than to the vanquished barbarians. 5
Footnote 5: Germanicus, Suetonius Paulinus, and Agricola were
checked and recalled in the course of their victories. Corbulo
was put to death. Military merit, as it is admirably expressed by
Tacitus, was, in the strictest sense of the word, imperatoria
virtus.
The only accession which the Roman empire received, during
the first century of the Christian Aera, was the province of
Britain. In this single instance, the successors of Caesar and
Augustus were persuaded to follow the example of the former,
rather than the precept of the latter. The proximity of its
situation to the coast of Gaul seemed to invite their arms; the
pleasing though doubtful intelligence of a pearl fishery,
attracted their avarice; 6 and as Britain was viewed in the
light of a distinct and insulated world, the conquest scarcely
formed any exception to the general system of continental
measures. After a war of about forty years, undertaken by the
most stupid, 7 maintained by the most dissolute, and terminated
by the most timid of all the emperors, the far greater part of
the island submitted to the Roman yoke. 8 The various tribes of
Britain possessed valor without conduct, and the love of freedom
without the spirit of union. They took up arms with savage
fierceness; they laid them down, or turned them against each
other, with wild inconsistency; and while they fought singly,
they were successively subdued. Neither the fortitude of
Caractacus, nor the despair of Boadicea, nor the fanaticism of
the Druids, could avert the slavery of their country, or resist
the steady progress of the Imperial generals, who maintained the
national glory, when the throne was disgraced by the weakest, or
the most vicious of mankind. At the very time when Domitian,
confined to his palace, felt the terrors which he inspired, his
legions, under the command of the virtuous Agricola, defeated the
collected force of the Caledonians, at the foot of the Grampian
Hills; and his fleets, venturing to explore an unknown and
dangerous navigation, displayed the Roman arms round every part
of the island. The conquest of Britain was considered as already
achieved; and it was the design of Agricola to complete and
insure his success, by the easy reduction of Ireland, for which,
in his opinion, one legion and a few auxiliaries were sufficient.
9 The western isle might be improved into a valuable possession,
and the Britons would wear their chains with the less reluctance,
if the prospect and example of freedom were on every side removed
from before their eyes.
Footnote 6: Caesar himself conceals that ignoble motive; but it
is mentioned by Suetonius, c. 47. The British pearls proved,
however, of little value, on account of their dark and livid
color. Tacitus observes, with reason, (in Agricola, c. 12,) that
it was an inherent defect. "Ego facilius crediderim, naturam
margaritis deesse quam nobis avaritiam."
Footnote 7: Claudius, Nero, and Domitian. A hope is expressed
by Pomponius Mela, l. iii. c. 6, (he wrote under Claudius,) that,
by the success of the Roman arms, the island and its savage
inhabitants would soon be better known. It is amusing enough to
peruse such passages in the midst of London.
Footnote 8: See the admirable abridgment given by Tacitus, in
the life of Agricola, and copiously, though perhaps not
completely, illustrated by our own antiquarians, Camden and
Horsley.
Footnote 9: The Irish writers, jealous of their national honor,
are extremely provoked on this occasion, both with Tacitus and
with Agricola.
But the superior merit of Agricola soon occasioned his
removal from the government of Britain; and forever disappointed
this rational, though extensive scheme of conquest. Before his
departure, the prudent general had provided for security as well
as for dominion. He had observed, that the island is almost
divided into two unequal parts by the opposite gulfs, or, as they
are now called, the Friths of Scotland. Across the narrow
interval of about forty miles, he had drawn a line of military
stations, which was afterwards fortified, in the reign of
Antoninus Pius, by a turf rampart, erected on foundations of
stone. 10 This wall of Antoninus, at a small distance beyond the
modern cities of Edinburgh and Glasgow, was fixed as the limit of
the Roman province. The native Caledonians preserved, in the
northern extremity of the island, their wild independence, for
which they were not less indebted to their poverty than to their
valor. Their incursions were frequently repelled and chastised;
but their country was never subdued. 11 The masters of the
fairest and most wealthy climates of the globe turned with
contempt from gloomy hills, assailed by the winter tempest, from
lakes concealed in a blue mist, and from cold and lonely heaths,
over which the deer of the forest were chased by a troop of naked
barbarians. 12
Footnote 10: See Horsley's Britannia Romana, l. i. c. 10.
Note: Agricola fortified the line from Dumbarton to
Edinburgh, consequently within Scotland. The emperor Hadrian,
during his residence in Britain, about the year 121, caused a
rampart of earth to be raised between Newcastle and Carlisle.
Antoninus Pius, having gained new victories over the Caledonians,
by the ability of his general, Lollius, Urbicus, caused a new
rampart of earth to be constructed between Edinburgh and
Dumbarton. Lastly, Septimius Severus caused a wall of stone to
be built parallel to the rampart of Hadrian, and on the same
locality. See John Warburton's Vallum Romanum, or the History
and Antiquities of the Roman Wall. London, 1754, 4to. - W. See
likewise a good note on the Roman wall in Lingard's History of
England, vol. i. p. 40, 4to edit - M.
Footnote 11: The poet Buchanan celebrates with elegance and
spirit (see his Sylvae, v.) the unviolated independence of his
native country. But, if the single testimony of Richard of
Cirencester was sufficient to create a Roman province of
Vespasiana to the north of the wall, that independence would be
reduced within very narrow limits.
Footnote 12: See Appian (in Prooem.) and the uniform imagery of
Ossian's Poems, which, according to every hypothesis, were
composed by a native Caledonian.
Such was the state of the Roman frontiers, and such the
maxims of Imperial policy, from the death of Augustus to the
accession of Trajan. That virtuous and active prince had
received the education of a soldier, and possessed the talents of
a general. 13 The peaceful system of his predecessors was
interrupted by scenes of war and conquest; and the legions, after
a long interval, beheld a military emperor at their head. The
first exploits of Trajan were against the Dacians, the most
warlike of men, who dwelt beyond the Danube, and who, during the
reign of Domitian, had insulted, with impunity, the Majesty of
Rome. 14 To the strength and fierceness of barbarians they added
a contempt for life, which was derived from a warm persuasion of
the immortality and transmigration of the soul. 15 Decebalus,
the Dacian king, approved himself a rival not unworthy of Trajan;
nor did he despair of his own and the public fortune, till, by
the confession of his enemies, he had exhausted every resource
both of valor and policy. 16 This memorable war, with a very
short suspension of hostilities, lasted five years; and as the
emperor could exert, without control, the whole force of the
state, it was terminated by an absolute submission of the
barbarians. 17 The new province of Dacia, which formed a second
exception to the precept of Augustus, was about thirteen hundred
miles in circumference. Its natural boundaries were the Niester,
the Teyss or Tibiscus, the Lower Danube, and the Euxine Sea. The
vestiges of a military road may still be traced from the banks of
the Danube to the neighborhood of Bender, a place famous in
modern history, and the actual frontier of the Turkish and
Russian empires. 18
Footnote 13: See Pliny's Panegyric, which seems founded on
facts.
Footnote 14: Dion Cassius, l. lxvii.
Footnote 15: Herodotus, l. iv. c. 94. Julian in the Caesars,
with Spanheims observations.
Footnote 16: Plin. Epist. viii. 9.
Footnote 17: Dion Cassius, l. lxviii. p. 1123, 1131. Julian in
Caesaribus Eutropius, viii. 2, 6. Aurelius Victor in Epitome.
Footnote 18: See a Memoir of M. d'Anville, on the Province of
Dacia, in the Academie des Inscriptions, tom. xxviii. p. 444 -
468.
Trajan was ambitious of fame; and as long as mankind shall
continue to bestow more liberal applause on their destroyers than
on their benefactors, the thirst of military glory will ever be
the vice of the most exalted characters. The praises of
Alexander, transmitted by a succession of poets and historians,
had kindled a dangerous emulation in the mind of Trajan. Like
him, the Roman emperor undertook an expedition against the
nations of the East; but he lamented with a sigh, that his
advanced age scarcely left him any hopes of equalling the renown
of the son of Philip. 19 Yet the success of Trajan, however
transient, was rapid and specious. The degenerate Parthians,
broken by intestine discord, fled before his arms. He descended
the River Tigris in triumph, from the mountains of Armenia to the
Persian Gulf. He enjoyed the honor of being the first, as he was
the last, of the Roman generals, who ever navigated that remote
sea. His fleets ravaged the coast of Arabia; and Trajan vainly
flattered himself that he was approaching towards the confines of
India. 20 Every day the astonished senate received the
intelligence of new names and new nations, that acknowledged his
sway. They were informed that the kings of Bosphorus, Colchos,
Iberia, Albania, Osrhoene, and even the Parthian monarch himself,
had accepted their diadems from the hands of the emperor; that
the independent tribes of the Median and Carduchian hills had
implored his protection; and that the rich countries of Armenia,
Mesopotamia, and Assyria, were reduced into the state of
provinces. 21 But the death of Trajan soon clouded the splendid
prospect; and it was justly to be dreaded, that so many distant
nations would throw off the unaccustomed yoke, when they were no
longer restrained by the powerful hand which had imposed it.
Footnote 19: Trajan's sentiments are represented in a very just
and lively manner in the Caesars of Julian.
Footnote 20: Eutropius and Sextus Rufus have endeavored to
perpetuate the illusion. See a very sensible dissertation of M.
Freret in the Academie des Inscriptions, tom. xxi. p. 55.
Footnote 21: Dion Cassius, l. lxviii.; and the Abbreviators.
Part II.
It was an ancient tradition, that when the Capitol was
founded by one of the Roman kings, the god Terminus (who presided
over boundaries, and was represented, according to the fashion of
that age, by a large stone) alone, among all the inferior
deities, refused to yield his place to Jupiter himself. A
favorable inference was drawn from his obstinacy, which was
interpreted by the augurs as a sure presage that the boundaries
of the Roman power would never recede. 22 During many ages, the
prediction, as it is usual, contributed to its own
accomplishment. But though Terminus had resisted the Majesty of
Jupiter, he submitted to the authority of the emperor Hadrian.
23The resignation of all the eastern conquests of Trajan was
the first measure of his reign. He restored to the Parthians the
election of an independent sovereign; withdrew the Roman
garrisons from the provinces of Armenia, Mesopotamia, and
Assyria; and, in compliance with the precept of Augustus, once
more established the Euphrates as the frontier of the empire. 24
Censure, which arraigns the public actions and the private
motives of princes, has ascribed to envy, a conduct which might
be attributed to the prudence and moderation of Hadrian. The
various character of that emperor, capable, by turns, of the
meanest and the most generous sentiments, may afford some color
to the suspicion. It was, however, scarcely in his power to
place the superiority of his predecessor in a more conspicuous
light, than by thus confessing himself unequal to the task of
defending the conquests of Trajan.
Footnote 22: Ovid. Fast. l. ii. ver. 667. See Livy, and
Dionysius of Halicarnassus, under the reign of Tarquin.
Footnote 23: St. Augustin is highly delighted with the proof of
the weakness of Terminus, and the vanity of the Augurs. See De
Civitate Dei, iv. 29. Note *: The turn of Gibbon's sentence is Augustin's: "Plus
Hadrianum regem bominum, quam regem Deorum timuisse videatur." -
M
Footnote 24: See the Augustan History, p. 5, Jerome's Chronicle,
and all the Epitomizers. It is somewhat surprising, that this
memorable event should be omitted by Dion, or rather by
Xiphilin.
The martial and ambitious of spirit Trajan formed a very
singular contrast with the moderation of his successor. The
restless activity of Hadrian was not less remarkable when
compared with the gentle repose of Antoninus Pius. The life of
the former was almost a perpetual journey; and as he possessed
the various talents of the soldier, the statesman, and the
scholar, he gratified his curiosity in the discharge of his duty.
Careless of the difference of seasons and of climates, he marched
on foot, and bare- headed, over the snows of Caledonia, and the
sultry plains of the Upper Egypt; nor was there a province of the
empire which, in the course of his reign, was not honored with
the presence of the monarch. 25 But the tranquil life of
Antoninus Pius was spent in the bosom of Italy, and, during the
twenty-three years that he directed the public administration,
the longest journeys of that amiable prince extended no farther
than from his palace in Rome to the retirement of his Lanuvian
villa. 26
Footnote 25: Dion, l. lxix. p. 1158. Hist. August. p. 5, 8. If
all our historians were lost, medals, inscriptions, and other
monuments, would be sufficient to record the travels of Hadrian.
Note: The journeys of Hadrian are traced in a note on
Solvet's translation of Hegewisch, Essai sur l'Epoque de Histoire
Romaine la plus heureuse pour Genre Humain Paris, 1834, p. 123. -
M.
Footnote 26: See the Augustan History and the Epitomes.
Notwithstanding this difference in their personal conduct,
the general system of Augustus was equally adopted and uniformly
pursued by Hadrian and by the two Antonines. They persisted in
the design of maintaining the dignity of the empire, without
attempting to enlarge its limits. By every honorable expedient
they invited the friendship of the barbarians; and endeavored to
convince mankind that the Roman power, raised above the
temptation of conquest, was actuated only by the love of order
and justice. During a long period of forty-three years, their
virtuous labors were crowned with success; and if we except a few
slight hostilities, that served to exercise the legions of the
frontier, the reigns of Hadrian and Antoninus Pius offer the fair
prospect of universal peace. 27 The Roman name was revered among
the most remote nations of the earth. The fiercest barbarians
frequently submitted their differences to the arbitration of the
emperor; and we are informed by a contemporary historian that he
had seen ambassadors who were refused the honor which they came
to solicit of being admitted into the rank of subjects. 28
Footnote 27: We must, however, remember, that in the time of
Hadrian, a rebellion of the Jews raged with religious fury,
though only in a single province. Pausanias (l. viii. c. 43)
mentions two necessary and successful wars, conducted by the
generals of Pius: 1st. Against the wandering Moors, who were
driven into the solitudes of Atlas. 2d. Against the Brigantes
of Britain, who had invaded the Roman province. Both these wars
(with several other hostilities) are mentioned in the Augustan
History, p. 19.
Footnote 28: Appian of Alexandria, in the preface to his History
of the Roman Wars.
The terror of the Roman arms added weight and dignity to the
moderation of the emperors. They preserved peace by a constant
preparation for war; and while justice regulated their conduct,
they announced to the nations on their confines, that they were
as little disposed to endure, as to offer an injury. The military
strength, which it had been sufficient for Hadrian and the elder
Antoninus to display, was exerted against the Parthians and the
Germans by the emperor Marcus. The hostilities of the barbarians
provoked the resentment of that philosophic monarch, and, in the
prosecution of a just defence, Marcus and his generals obtained
many signal victories, both on the Euphrates and on the Danube.
29 The military establishment of the Roman empire, which thus
assured either its tranquillity or success, will now become the
proper and important object of our attention.
Footnote 29: Dion, l. lxxi. Hist. August. in Marco. The
Parthian victories gave birth to a crowd of contemptible
historians, whose memory has been rescued from oblivion and
exposed to ridicule, in a very lively piece of criticism of
Lucian.
In the purer ages of the commonwealth, the use of arms was
reserved for those ranks of citizens who had a country to love, a
property to defend, and some share in enacting those laws, which
it was their interest as well as duty to maintain. But in
proportion as the public freedom was lost in extent of conquest,
war was gradually improved into an art, and degraded into a
trade. 30 The legions themselves, even at the time when they
were recruited in the most distant provinces, were supposed to
consist of Roman citizens. That distinction was generally
considered, either as a legal qualification or as a proper
recompense for the soldier; but a more serious regard was paid to
the essential merit of age, strength, and military stature. 31
In all levies, a just preference was given to the climates of the
North over those of the South: the race of men born to the
exercise of arms was sought for in the country rather than in
cities; and it was very reasonably presumed, that the hardy
occupations of smiths, carpenters, and huntsmen, would supply
more vigor and resolution than the sedentary trades which are
employed in the service of luxury. After every qualification
of property had been laid aside, the armies of the Roman emperors
were still commanded, for the most part, by officers of liberal
birth and education; but the common soldiers, like the mercenary
troops of modern Europe, were drawn from the meanest, and very
frequently from the most profligate, of mankind.
Footnote 30: The poorest rank of soldiers possessed above forty
pounds sterling, (Dionys. Halicarn. iv. 17,) a very high
qualification at a time when money was so scarce, that an ounce
of silver was equivalent to seventy pounds weight of brass. The
populace, excluded by the ancient constitution, were
indiscriminately admitted by Marius. See Sallust. de Bell.
Jugurth. c. 91. Note: On the uncertainty of all these estimates, and the
difficulty of fixing the relative value of brass and silver,
compare Niebuhr, vol. i. p. 473, &c. Eng. trans. p. 452.
According to Niebuhr, the relative disproportion in value,
between the two metals, arose, in a great degree from the
abundance of brass or copper. - M. Compare also Dureau 'de la
Malle Economie Politique des Romains especially L. l. c. ix. - M.
1845.
Footnote 31: Caesar formed his legion Alauda of Gauls and
strangers; but it was during the license of civil war; and after
the victory, he gave them the freedom of the city for their
reward.
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To cite original text:
Gibbon, Edward, 1737-1794. The history of the decline and fall of the Roman Empire. 1st ed. (London : Printed for W. Strahan ; and T. Cadell, 1776-1788.), pp. 1-10.