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Clarendon, Edward Hyde, 1st earl of

(Encyclopedia)Clarendon, Edward Hyde, 1st earl of klârˈəndən [key], 1609–74, English statesman and historian. Elected (1640) to the Short and Long parliaments, he was at first associated with the opposition t...

post-traumatic stress disorder

(Encyclopedia)post-traumatic stress disorder (PTSD), mental disorder that follows an occurrence of extreme psychological stress, such as that encountered in war or resulting from violence, childhood abuse, sexual a...

Pan-Slavism

(Encyclopedia)Pan-Slavism, theory and movement intended to promote the political or cultural unity of all Slavs. Advocated by various individuals from the 17th cent., it developed as an intellectual and cultural mo...

Hartford Convention

(Encyclopedia)Hartford Convention, Dec. 15, 1814–Jan. 4, 1815, meeting to consider the problems of New England in the War of 1812; held at Hartford, Conn. Prior to the war, New England Federalists (see Federalist...

Air Force, United States Department of the

(Encyclopedia)Air Force, United States Department of the, military department within the U.S. Dept. of Defense (see Defense, United States Department of). The Air Force traces its roots to the founding of the Aeron...

Keegan, Sir John Desmond Patrick

(Encyclopedia)Keegan, Sir John Desmond Patrick, 1934–2012, British military historian, b. London. The foremost British military historian of his era, he attended Oxford and after graduation went to the United Sta...

Lane, Joseph

(Encyclopedia)Lane, Joseph, 1801–81, American general in the Mexican War and territorial governor of Oregon, b. Buncombe co., N.C. In the Mexican War he commanded a brigade under Gen. Zachary Taylor at Buena Vist...

Millet, Francis Davis

(Encyclopedia)Millet, Francis Davis mĭlāˈ [key], 1846–1912, American illustrator, painter, and journalist, b. Mattapoisett, Mass. He had been a drummer boy in the Civil War before going to college. As a corres...

McDowell, Irvin

(Encyclopedia)McDowell, Irvin, 1818–85, Union general in the American Civil War, b. Columbus, Ohio. He taught at West Point (1841–45) and was made captain for his service in the Mexican War. In the Civil War, M...

Mason, John, c.1600–1672, American colonial military commander

(Encyclopedia)Mason, John, c.1600–1672, American colonial military commander, b. England. He was an army officer before emigrating (c.1630) to Massachusetts and then (1635) to Windsor, Conn. When the Pequot threa...