Fought 851, between the Danes, and the West Saxons, under Ethelwulf. The Danes were completely defeated. Oczakov (Ottoman Wars). This fortress, defended by 10,000 Turks and Bosnians, was besieged 1737, by the Russians, under Count Münnich, and after the magazine had been blown up was stormed by the besiegers, and the garrison cut to pieces. In 1788 the place was again besieged by the Russians, under Potemkin, and after a strenuous resistance of six months, was taken by storm, December 17. In the massacre which followed, 40,000 of the garrison and inhabitants were put to the sword. Odawara (Hojo Rebellion). The castle of Odawara, the last stronghold of the Hojo family, was besieged by the Japanese Imperial troops, under Hideyoshi. The castle held out for over three months, but at last finding that they could hope for no support from without, the garrison surrendered, and the power of the Hojo family came to an end. Œnophyta Fought B.C. 457, between the Athenians, under Myronides, and the Thebans and other Bœotian states. The Bœotians were totally defeated, and were in consequence compelled to acknowledge the headship of Athens, and to contribute men to her armies. Ofen (Hungarian Rising). This fortress, held by an Austrian garrison, under General Hentzi, was besieged by the Hungarians, under Görgey, May 4, 1849. After an unsuccessful assault, a siege in due form was commenced, and several further assaults having also failed, the place was finally taken by storm on the 21st. General Hentzi was mortally wounded. Ohud (Mohammed’s War with the Koreish). Fought 623, between 950 Moslems, under Mohammed, and 3,000 Koreish of Mecca, under Abu Sophian. The latter were victorious, 70 Moslems being slain, and the Prophet himself wounded, but Abu Sophian did not feel himself strong enough to follow up his victory by an attack upon Medina. Olmedo. Fought 1467, between the Spanish adherents of the Infante Alfonso, a claimant to the throne, under the Archbishop of Toledo, and the Royal troops, under Henry of Castile. After an action which began late in the afternoon, and lasted for three hours, without any very decisive result, the Archbishop, who was considerably inferior in numbers, withdrew his troops, leaving Henry in possession of the field. Olmütz (Seven Years’ War). This place was besieged by Frederick the Great, May, 1758. Having insufficient troops to completely invest the place, Frederick’s task was a difficult one, and Marshal Daun was able to keep communications open, and supply the town with provisions. After a siege of seven weeks, the Austrians captured a convoy of 4,000 waggons, under the escort of Landon, destined for the Prussian army, and Frederick was forced by this loss to raise the siege, and retire.