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Leopold II, grand duke of Tuscany

(Encyclopedia)Leopold II, 1797–1870, grand duke of Tuscany (1824–59). Liberally inclined at first, he granted some reforms and undertook public works. In 1848 he approved a constitution and joined Sardinia in i...

Argyll, Archibald Campbell, 3d duke of

(Encyclopedia)Argyll, Archibald Campbell, 3d duke of, 1682–1761, Scottish nobleman; brother of the 2d duke. As lord high treasurer of Scotland (1705) and a commissioner for the union (1706), he helped negotiate t...

Maurice, duke and elector of Saxony

(Encyclopedia)Maurice, 1521–53, duke (1541–47) and elector (1547–53) of Saxony. A member of the Albertine branch of the ruling house of Saxony, he became duke of Albertine Saxony during the Protestant Reforma...

Hamilton, William Hamilton, 2d duke of

(Encyclopedia)Hamilton, William Hamilton, 2d duke of, 1616–51, Scottish nobleman. With his brother James Hamilton, 3d marquess and 1st duke of Hamilton, he gained favor with Charles I of England. He was created (...

Igor, d. 945, duke of Kiev

(Encyclopedia)Igor ēˈkhər [key], d. 945, duke of Kiev (912–45), successor of Oleg as ruler of Kievan Rus. According to the Russian Primary Chronicle, a medieval history, Igor was the son of Rurik, founder of t...

Charles I, duke of Lower Lorraine

(Encyclopedia)Charles I, 953–992?, duke of Lower Lorraine (977–91); younger son of King Louis IV of France. He claimed the French throne when his nephew, Louis V of France, died (987) without issue, but he was ...

Philip the Bold, duke of Burgundy

(Encyclopedia)Philip the Bold, 1342–1404, duke of Burgundy (1363–1404); a younger son of King John II of France. He fought (1356) at Poitiers and shared his father's captivity in England. He was first made duke...

Newcastle, Thomas Pelham-Holles, duke of

(Encyclopedia)Newcastle, Thomas Pelham-Holles, duke of, 1693–1768, English politician, brother of Henry Pelham. He inherited (1711) the estates of his uncle, John Holles, duke of Newcastle, adopted his name, and ...

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