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Constantine V, Byzantine emperor

(Encyclopedia)Constantine V (Constantine Copronymus), 718–75, Byzantine emperor (741–75), son and successor of Leo III. An able general and administrator, he fought successfully against the Arabs, Slavs, and Bu...

Barron, James

(Encyclopedia)Barron, James, 1768–1851, U.S. naval officer, b. Hampton, Va. Of a seafaring family, he served in the Virginia navy in the Revolution, entered the U.S. navy as a lieutenant in 1798, and held command...

Penrose, Sir Roger

(Encyclopedia)Penrose, Sir Roger, 1931–, British mathematical physicist, Ph.D. Cambridge, 1958. He taught and conducted research at a number of British and American colleges and universities before becoming a pro...

Telesto

(Encyclopedia)Telesto təlĕsˈtō [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn XIII (or S13), Telesto is an irregularly shaped (nonspherical) body measuring a...

Ahmed I

(Encyclopedia)Ahmed I äˈmĕd [key], 1589–1617, Ottoman sultan (1603–17), son and successor of Muhammad III to the throne of the Ottoman Empire. The chief event of his reign was the Treaty of Zsitvatorok (1606...

Wellesley, Richard Colley Wellesley, 1st Marquess

(Encyclopedia)Wellesley, Richard Colley Wellesley, 1st Marquess, 1760–1842, British colonial administrator; brother of Arthur Wellesley, 1st duke of Wellington. He became earl of Mornington on his father's death ...

Jellicoe, John Rushworth Jellicoe, 1st Earl

(Encyclopedia)Jellicoe, John Rushworth Jellicoe, 1st Earl, 1859–1935, British admiral. Crowning a naval career begun in 1872, he served (1914–16) as commander in chief of the Grand Fleet in World War I. His tac...

Stanhope, James Stanhope, 1st Earl

(Encyclopedia)Stanhope, James Stanhope, 1st Earl, 1673–1721, English general and statesman. During the War of the Spanish Succession he participated in the capture (1705) of Barcelona, was appointed (1706) minist...

Mortimer, Roger de, 1st earl of March

(Encyclopedia)Mortimer, Roger de, 1st earl of March, 1287?–1330, English nobleman. He inherited (c.1304) the vast estates and the title of his father, Edmund, 7th baron of Wigmore. Appointed lieutenant of Ireland...

Rulers of England and Great Britain (table)

(Encyclopedia)Rulers of England and Great Britain(including dates of reign) Saxons and Danes House of Normandy House of Blois House of Plantagenet House of Lancaster House of York House of Tudor Ho...