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Hershey, Alfred Day
(Encyclopedia)Hershey, Alfred Day, 1908–1997, American microbiologist, b. Owosso, Mich., Ph.D., Michigan State College (now Michigan State Univ.), 1934. Hershey was a professor at the Washington Univ. School of M...John Day Dam
(Encyclopedia)John Day Dam, 219 ft (67 m) high and 5,640 ft (1,719 m) long, on the Columbia River between Oregon and Wash.; built between 1959 and 1968 by the U.S. Army Corps of Engineers. It is an extremely large ...Julian Day calendar
(Encyclopedia)Julian Day calendar, system of astronomical dating that allows the difference between two dates to be calculated more easily than conventional civil calendars with their uneven months. It was devised ...Saint Valentine's Day
(Encyclopedia)Saint Valentine's Day, Western European Christian holiday, originally the Roman feast of Lupercalia. It was christianized in memory of the martyrdom of St. Valentine in a.d. 270, who, in medieval time...Seventh-day Adventists
(Encyclopedia)Seventh-day Adventists: see Adventists. ...Six-Day War
(Encyclopedia)Six-Day War: see Arab-Israeli Wars. ...Ben Day process
(Encyclopedia)Ben Day, or Benday, process: see printing. ...Steele, Mount
(Encyclopedia)Steele, Mount, 16,624 ft (5,067 m) high, in the St. Elias Mts., SW Yukon, Canada, in Kluane National Park near the Alaska line; one of Canada's tallest peaks. ...Morrisburg
(Encyclopedia)Morrisburg, village (1991 pop. 2,429), SE Ont., Canada, on the St. Lawrence River. Just east of the village is the Upper Canada Village, a model of a typical 19th-century community. ...Innis, Harold Adams
(Encyclopedia)Innis, Harold Adams, 1894–1952, Canadian political economist, b. Otterville, Ontario. One of Canada's leading economic historians, Innis wrote about various facets of Canadian culture and economy. I...Browse by Subject
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