f Hubertsburg. Besides demonstrating the strength
and genius of Frederick and raising immensely the prestige of Prussia, it
enabled England to make complete her predominance in North America and to
establish herself securely in India, while at the same time it gave the
death-blow to French hopes of a colonial empire.

SEVERN, the second river of England, rises on the E. side of
Plinlimmon, in Montgomeryshire, and flows in a circuitous southerly
direction through Montgomeryshire, Shropshire, Worcestershire, and
Gloucestershire, falling into the Bristol Channel after a course of 210
m.; is navigable to Welshpool (180 m.); chief tributaries are the Terne,
Wye, and the Stratford Avon; there is a "bore" perceptible 180 m. from
the mouth.

SEVERUS, L. SEPTIMIUS, Roman emperor, born in Leptis Magna, in
Africa; was in command at Pannonia, and elected emperor on the murder of
Pertinax, and after conquering his rivals achieved victories in the East,
especially against the Parthians, and thereafter subdued a rebellion in
Britain, and secured South Britain against invasions from the north by a
wall; died at York (146-211).

SEVIGNE, MADAME DE, maiden name Marie de Rabutin-Chantal, the most
charming of letter-writers, born at Paris; married at 18 the dissolute
Marquis de Sevigne, who left her a widow at 25; her beauty and rare
charms attracted many suitors, to one and all of whom, however, she
turned a deaf ear, devoting herself with touching fidelity to her son and
daughter, and finding all her happiness in their affection and in the
social intercourse of a wide circle of friends; her fame rests on her
letters, written chiefly to her daughter in Provence, which reflect the
brightest and purest side of Parisian life, and contain the tender
outpourings of her mother's heart in language of unstudied grace
(1626-1696).

SEVILLE (144), a celebrated Spanish city and river port on the
Guadalquivir, 62 m. NE. of Cadiz; an iron bridge connects it with Triana,
a large suburb on the other side of the river; many of the old
picturesque Moorish buildings have given place to modern and more
commodious structures and broader streets; the great Gothic cathedral
(15th century), containing paintings by Murillo, &c., is among the finest
in Europe; the Moorish royal palace, the great Roman aqueduct (in use
until 1883), the museum, with masterpieces of Murillo, Velasquez, &c.,
the university, archbishop's palace, Giralda Campanile, and the