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Valentine's Day

(Encyclopedia)Valentine's Day: see Saint Valentine's Day. ...

earth, in geology and astronomy

(Encyclopedia)CE5 A. Cross section of the earth, showing its shells B. Detailed cross section of the crust and upper mantle: The lithosphere consists of the hard rock in the crust and upper mantle, lying above t...

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 ...

All Saints' Day

(Encyclopedia)All Saints' Day, feast of the Roman Catholic and Anglican churches, and day on which churches glorify God for all God's saints, known and unknown. It is celebrated on Nov. 1 in the West, since Pope Gr...

Day, Benjamin Henry

(Encyclopedia)Day, Benjamin Henry, 1810–89, American journalist. He learned the printer's trade in the office of the Springfield (Mass.) Republican and opened a printing office in New York City. Lack of work duri...

Day, Clarence Shepard

(Encyclopedia)Day, Clarence Shepard, 1874–1935, American essayist, b. New York City, grad. Yale, 1896. His biographical sketches of his parents, God and My Father (1932), Life with Father (1935), and Life with Mo...

Day, William Rufus

(Encyclopedia)Day, William Rufus, 1849–1923, American statesman and associate justice of the U.S. Supreme Court (1903–22), b. Ravenna, Ohio. Admitted (1872) to the bar, Day practiced law in Ohio and served (188...

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