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Iran hostage crisis
(Encyclopedia)Iran hostage crisis, in U.S. history, events following the seizure of the American embassy in Tehran by Iranian students on Nov. 4, 1979. The overthrow of Muhammad Reza Shah Pahlevi of Iran by an Isla...Uigurs
(Encyclopedia)Uigurs, Uighurs, or Uygurs all: wēˈgo͝orz [key], Turkic-speaking people of Asia who live mainly in W China. They were the Yue-che of ancient Chinese records and first rose to prominence in the 7th...XYZ Affair
(Encyclopedia)XYZ Affair, name usually given to an incident (1797–98) in Franco-American diplomatic relations. The United States had in 1778 entered into an alliance with France, but after the outbreak of the Fre...Mongolia, region, Asia
(Encyclopedia)Mongolia mŏn-gōˈlēə, mŏng– [key], Asian region (c.906,000 sq mi/2,346,540 sq km), bordered roughly by Xinjiang Uygur Autonomous Region, China, on the west; the Manchurian provinces of China on...photoelectric cell
(Encyclopedia)CE5 Photoelectric cell: Light causes a photosensitive surface to emit electrons, which flow as current to the positive terminal. A galvanometer measures the current and thus indicates light intensi...Wilkes, Charles
(Encyclopedia)Wilkes, Charles, 1798–1877, American naval officer and explorer, b. New York City, educated by his father. In 1815 he entered the merchant service and received (1818) an appointment as a midshipman....Samaria
(Encyclopedia)Samaria səmârˈēə [key], city, ancient Palestine, on a hill NW of modern-day Nablus (Shechem). The site is now occupied by a village, Sabastiyah (West Bank). Samaria (named for Shemer, who owned t...interference
(Encyclopedia)CE5 Constructive interference: Two crests or two troughs meet and combine (A, B, C). Destructive interference: A crest and a trough meet and cancel each other (D, E, F). interference, in physics, ...Inner Mongolian Autonomous Region
(Encyclopedia)Inner Mongolian Autonomous Region, Mandarin Nei Monggol zizhiqu, autonomous region, c.455,000 sq mi (1,178,755 sq km), NE China. It is bounded on the no...Smith, John, English colonist in America
(Encyclopedia)Smith, John, c.1580–1631, English colonist in America, b. Willoughby, Lincolnshire, England. A merchant's apprentice until his father's death in 1596, he thereafter lived an adventurous life, travel...Browse by Subject
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