Olivenza. A fortified town of Spain, in Estremadura, situated on the Guadiana, 16 miles southwest from Badajos. This town was ceded by Portugal to Spain in 1801; and for having arranged this cession, Godoy received his title of “Prince of Peace.” In 1811 it was taken by the French.
Olmütz. The chief fortress of Moravia, in the district of the same name, in Austria, 40 miles north-northeast from Brünn. Olmütz was taken by the Swedes during the Thirty Years’ War; but was besieged in vain for seven weeks by Frederick the Great in 1758. Lafayette was confined here in 1794. A conference was held here November 29, 1850, under the czar Nicholas, when the difficulties between Austria and Prussia respecting the affairs of Hesse-Cassel were arranged.
Olot. A town of Spain, in the province of Gerona, 85 miles from Barcelona. It figured and suffered much in the war of independence, being a strong point, and passed alternately into the hands of French and Spaniards, until the latter dismantled the fortifications. In the civil war of 1856 and 1857 it was much coveted and frequently attacked by the Carlists, but unsuccessfully.
Oltenitza. A fortified village of Turkey in Europe, in Wallachia, situated on the Danube, 2 miles north from Turtukai. A Turkish force having crossed the Danube under Omar Pasha, established themselves at Oltenitza in spite of the vigorous attacks of the Russians, who were repulsed with loss November 2-3, 1853. On November 4, a desperate attempt to dislodge the Turks by Gen. Danneberg with 9000 men, was defeated with great loss.
Olympic Games. Were instituted by Hercules A.M. 2856, in honor of Jupiter Olympus, at Olympia, a city of Elis, in Peloponnesus. They were celebrated about every four years, about the summer solstice. The design of them was to accustom the young military men to running, leaping, and every other military exercise.
Olynthus. A town of Chalcidice, stood at the head of the Toronaic Gulf, between the headlands of Sithonia and Pallene, about 60 stadia from Potidæa. During the second Persian invasion of Greece, Artabazus, the general of Xerxes, captured the town, slaughtered its Bottiæan inhabitants, and gave it to the Chalcidians. It was subdued in war by Sparta in 382-379 B.C. It resisted Philip of Macedon 350 B.C., by whom it was destroyed in 347.
Omagh (Irish, Oigh magh, “seat of the chiefs”). An ancient town, capital of the county of Tyrone, in Ireland, 34 miles south from Londonderry. Omagh grew up around an abbey founded in the year 792, but is first heard of as a fortress of Art O’Nial in the end of the 15th century, about which time it was forced to surrender to the English, although its possession long continued to alternate between Irish and English hands. It formed part of James I.’s “Plantation grants,” and was strongly garrisoned by Mountjoy. On its being evacuated by the troops of James II. in 1689, it was partially burned.
Omaha Indians. A tribe of aborigines, of Dakota stock, who, to the number of 1000, inhabit a reservation in Nebraska. They are generally peaceful and industrious.
Omer, St. A fortified town of France, in the department of Pas-de-Calais, 24 miles southeast from Calais. This place was taken by Louis XIV. in 1677. It suffered severely during the revolution of 1830.
Omra, or Omhra (plural of ameer, a “lord”) Ind. They were persons of considerable consequence in the dominions of the Great Mogul. Some of them had command of 1000 horse, others of 2000, and so on to 20,000; their pay being regulated according to their commands. The governors and great officers of state were generally chosen out of this body.