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Lady Day

(Encyclopedia)Lady Day or Annunciation: see Mary. ...

Judgment Day

(Encyclopedia)Judgment Day or Doomsday, central point of early Christian, Jewish, and Islamic eschatology, sometimes called the Day of the Lord. References to it throughout the Bible are numerous. The Christian bel...

John Day

(Encyclopedia)John Day, river, 281 mi (452 km) long, rising in several branches in the Strawberry Mts., NE Oreg., and flowing W, then N to the Columbia River. Unnavigable, the river is used to irrigate vegetable fa...

May Day

(Encyclopedia)May Day, first day of May. Its celebration probably originated in the spring fertility festivals of India and Egypt. The festival of the Roman goddess of spring, Flora, was celebrated from Apr. 28 to ...

Memorial Day

(Encyclopedia)Memorial Day, holiday in the United States observed in late May. Previously designated Decoration Day, it was inaugurated in 1868 by Gen. John A. Logan for the purpose of decorating the graves of Civi...

Columbus Day

(Encyclopedia)Columbus Day, holiday commemorating Christopher Columbus's discovery of America. It has been traditionally celebrated on Oct. 12 throughout most of the United States, parts of Canada, and in several o...

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 ...
 

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