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Martin, 1356–1410, king of Aragón and count of Barcelona

(Encyclopedia)Martin, 1356–1410, king of Aragón and count of Barcelona (c.1395–1410) and, as Martin II, king of Sicily (1409–10). He succeeded his brother, John I, in Aragón and became king of Sicily on the...

Dreyer, Johan Ludwig Emil

(Encyclopedia)Dreyer, Johan Ludwig Emil yōˈhän lo͝otˈvĭkh āˈmēl [key], 1852–1926, Danish astronomer, b. Copenhagen, who worked in Great Britain. He was assistant astronomer at the earl of Rosse's observa...

Northeast Boundary Dispute

(Encyclopedia)Northeast Boundary Dispute, controversy between the United States and Great Britain concerning the Maine–New Brunswick boundary. The treaty of 1783 ending the American Revolution had described the n...

O'Connor, Rory

(Encyclopedia)O'Connor, Rory or Roderick, 1116?–1198, last high king of Ireland. He became king of Connacht in 1156 and seized the high kingship in 1166. His ascendancy was brief, however, for his quarrel with De...

Getty, Jean Paul

(Encyclopedia)Getty, Jean Paul, 1892–1976, American business executive, one of the richest men in the world during his life, b. Minneapolis, Minn. He inherited his father's oil business, George F. Getty, Inc., be...

Duarte, king of Portugal

(Encyclopedia)Duarte dwärˈtə [key], 1391–1438, king of Portugal (1433–38), eldest of the five sons of John I. He was a “philosopher-king,” notable for his legal reforms and as the author of O leal consel...

Alexander, king of Greece

(Encyclopedia)Alexander, 1893–1920, king of the Hellenes (1917–20), second son of Constantine I. After his father's forced abdication, he succeeded to the Greek throne with the support of the Allies, who distru...

Alexander, king of Serbia

(Encyclopedia)Alexander (Alexander Obrenović) ōbrĕˈnəvĭch [key], 1876–1903, king of Serbia (1889–1903), son of King Milan. He succeeded on his father's abdication. Proclaiming himself of age in 1893, he t...

Alexander, king of Yugoslavia

(Encyclopedia)Alexander, 1888–1934, king of Yugoslavia (1921–34), son and successor of Peter I. Of the Karadjordjević family, he was educated in Russia and became crown prince of Serbia upon the renunciation (...

Ferdinand, king of Romania

(Encyclopedia)Ferdinand, 1865–1927, king of Romania (1914–27), nephew of Carol I. The second son of the Prussian prince, Leopold of Hohenzollern-Sigmaringen, he was designated successor to the heirless Carol I ...