FERDINAND I., emperor of Germany (1556-64), born at Alcala, in Spain, son of Philip I., married Anna, a Bohemian princess, in 1521; was elected king of the Romans (1531), added Bohemia and Hungary to his domains (1503-1564).

FERDINAND II., emperor of Germany (1619-37), grandson of the preceding and son of Charles, younger brother of Maximilian II., born at Graetz; his detestation of the Protestants, early instilled into him by his mother and the Jesuits, under whom he was educated, was the ruling passion of his life, and involved the empire in constant warfare during his reign; an attempt on the part of Bohemia, restless under religious and political grievances, to break away from his rule, brought about the Thirty Years’ War; by ruthless persecutions he re-established Catholicism in Bohemia, and reduced the country to subjection; but the war spread into Hungary and Germany, where Ferdinand was opposed by a confederacy of the Protestant States of Lower Saxony and Denmark, and in which the Protestant cause was in the end successfully sustained by the Swedish hero, GUSTAVUS ADOLPHUS (q. v.), who had opposed to him the imperial generals TILLY and WALLENSTEIN (q. v.); his reign is regarded as one of disaster, bloodshed, and desolation to his empire, and his connivance at the assassination of Wallenstein will be forever remembered to his discredit (1578-1637).

FERDINAND III., emperor of Germany (1637-57), son of the preceding, born at Graetz; more tolerant in his views, would gladly have brought the war to a close, but found himself compelled to face the Swedes reinforced by the French; in 1648 the desolating struggle was terminated by the Peace of Westphalia; the rest of his reign passed in tranquillity (1608-1657).

FERDINAND I., king of the Two Sicilies, third son of Charles III. of Spain, succeeded his father on the Neapolitan throne (1759), married Maria Caroline, daughter of Maria-Theresa; joined the Allies in the struggle against Napoleon, and in 1806 was driven from his throne by the French, but was reinstated at the Congress of Vienna; in 1816 he constituted his two States (Sicily and Naples) into the kingdom of the Two Sicilies, and in the last four years of his reign ruled, with the aid of Austria, as a despot, and having broken a pledge to his people, was compelled ere his return to grant a popular constitution (1751-1825).

FERDINAND II., king of the Two Sicilies, grandson of the preceding and son of Francis I.; after the death of his first wife, a daughter of Victor Emmanuel I., he married the Austrian princess Maria-Theresa, and fell under the influence of Austria during the rest of his reign; in 1848 he was compelled to grant constitutional rights to his people, but was distrusted, and an insurrection broke out in Sicily; with merciless severity he crushed the revolt, and by his savage bombardment of the cities won him the epithet “Bomba”; a reign of terror ensued, and in 1851 Europe was startled by the revelations of cruel injustice contained in Mr. Gladstone’s famous Neapolitan letters (1810-1859).