e fortifications of Europe and Asia were multiplied by Justinian; but
the repetition of those timid and fruitless precautions exposes, to
a philosophic eye, the debility of the empire. From Belgrade to the
Euxine, from the conflux of the Save to the mouth of the Danube, a chain
of above fourscore fortified places was extended along the banks of the
great river. Single watch-towers were changed into spacious citadels;
vacant walls, which the engineers contracted or enlarged according to
the nature of the ground, were filled with colonies or garrisons; a
strong fortress defended the ruins of Trajan's bridge, and several
military stations affected to spread beyond the Danube the pride of the
Roman name. But that name was divested of its terrors; the Barbarians,
in their annual inroads, passed, and contemptuously repassed, before
these useless bulwarks; and the inhabitants of the frontier, instead
of reposing under the shadow of the general defence, were compelled
to guard, with incessant vigilance, their separate habitations. The
solitude of ancient cities, was replenished; the new foundations of
Justinian acquired, perhaps too hastily, the epithets of impregnable
and populous; and the auspicious place of his own nativity attracted
the grateful reverence of the vainest of princes. Under the name of
_Justiniana prima_, the obscure village of Tauresium became the seat
of an archbishop and a praefect, whose jurisdiction extended over
seven warlike provinces of Illyricum; and the corrupt apellation of
_Giustendil_ still indicates, about twenty miles to the south of
Sophia, the residence of a Turkish sanjak. For the use of the emperor's
countryman, a cathedral, a place, and an aqueduct, were speedily
constructed; the public and private edifices were adapted to the
greatness of a royal city; and the strength of the walls resisted,
during the lifetime of Justinian, the unskilful assaults of the Huns and
Sclavonians. Their progress was sometimes retarded, and their hopes
of rapine were disappointed, by the innumerable castles which, in the
provinces of Dacia, Epirus, Thessaly, Macedonia, and Thrace, appeared
to cover the whole face of the country. Six hundred of these forts were
built or repaired by the emperor; but it seems reasonable to believe,
that the far greater part consisted only of a stone or brick tower, in
the midst of a square or circular area, which was surrounded by a wall
and ditch, and afforded in a moment of danger
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