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feud

(Encyclopedia)feud, formalized private warfare, especially between family groups. The blood feud (see vendetta) is characteristic of those societies in which a strong central government either has not arisen or has...

Szilard, Leo

(Encyclopedia)Szilard, Leo sĭˈlärd [key], 1898–1964, American nuclear physicist and biophysicist, born in Hungary. He was educated at the Budapest Institute of Technology and the Univ. of Berlin, receiving a d...

Tahmasp

(Encyclopedia)Tahmasp täˈmäsp [key], 1514–76, shah of Persia (1524–76), son and successor of Ismail and the second of the Safavid dynasty. He successfully repulsed persistent invasions by the Uzbeks. Sulayma...

Finnish-Russian War

(Encyclopedia)Finnish-Russian War, 1939–40, war between Finland and the Soviet Union. After World War II broke out in Sept., 1939, the USSR, never on cordial terms with Finland, took advantage of its nonaggressio...

Guerrero, Vicente

(Encyclopedia)Guerrero, Vicente vēsānˈtā gār-rāˈrō [key], 1782–1831, Mexican revolutionist and president (Apr.–Dec., 1829). He fought under the command of Morelos y Pavón, spreading the revolution in t...

Louis VII, king of France

(Encyclopedia)Louis VII (Louis the Young), c.1120–1180, king of France (1137–80), son and successor of King Louis VI. Before his accession he married Eleanor of Aquitaine. A controversy with Pope Innocent II ov...

Wilson, Edward Osborne

(Encyclopedia)Wilson, Edward Osborne, 1929–2021, American sociobiologist, b. Birmingham, Ala., Univ. of Alabama (B.S., 1949; M.S.,1950), Harvard Univ (Ph.D., 1955)....

International Physicians for the Prevention of Nuclear War

(Encyclopedia)International Physicians for the Prevention of Nuclear War (IPPNW), worldwide organization of medical groups dedicated to eliminating nuclear weapons and preventing nuclear war, est. 1980. Based in Ca...

gas mask

(Encyclopedia)gas mask, face covering or device used to protect the wearer from injurious gases and other noxious materials by filtering and purifying inhaled air. In addition to military use (see chemical warfare)...

Zumalacárregui, Tomás de

(Encyclopedia)Zumalacárregui, Tomás de tōmäsˈ dā so͞oˌmäläkärˈrāgē [key], 1788–1835, Spanish Carlist general. A professional soldier, he fought against the French in the Peninsular War (1808–14) a...