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Catherine de' Medici

(Encyclopedia)Catherine de' Medici dĕ mĕdˈĭchē, Ital. dā mĕˈdēchē [key], 1519–89, queen of France, daughter of Lorenzo de' Medici, duke of Urbino. She was married (1533) to the duc d'Orléans, later Kin...

day

(Encyclopedia)day, period of time for the earth to rotate once on its axis. The ordinary day, or solar day, is measured relative to the sun, being the time between successive passages of the sun over a stationary o...

Tulsa Race Massacre of 1921

(Encyclopedia)TulsThunberga race massacre, Greenwood, Okla., May 31 to June 1, 1921. On the evening of May 31, 1921, a white lynch mob gathered outside the ...

Bartholomew de Glanville

(Encyclopedia)Bartholomew de Glanville or Bartholomaeus Anglicus bärthŏlˌəmēˈəs ăngˈglĭkəs [key], fl. c.1250, English Friar Minor. He taught theology at Paris, and he was the author of De proprietatibus ...

Day of the Dead

(Encyclopedia)Day of the Dead, Span. Día de los Muertos, annual festival in Mexico and other parts of Latin America, commonly on November 1st and 2d. Its ancient Mesoamerican roots now augmented by Christian custo...

Earth Day

(Encyclopedia)Earth Day, Apr. 22, a day to celebrate the environment. The first Earth Day was organized in 1970 to promote the ideas of ecology, encourage respect for life on earth, and highlight growing concern ov...

degree-day

(Encyclopedia)degree-day, a unit of measure used to estimate the fuel and power requirements in heating and cooling a building; it is equal to a difference of 1 degree between the outdoor daily average temperature ...

Day, Benjamin

(Encyclopedia)Day, Benjamin, 1838–1916, American printer; son of Benjamin Henry Day. While working in New York City, Day invented a process, utilizing celluloid sheets, for shading plates in the color printing of...

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