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(Encyclopedia)D-day: see Normandy campaign.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...Dominion Day
(Encyclopedia)Dominion Day: see Canada Day.Lady Day
(Encyclopedia)Lady Day or Annunciation: see Mary. ...Labor Day
(Encyclopedia)Labor Day, holiday celebrated in the United States and Canada on the first Monday in September to honor the laborer. It was inaugurated by the Knights of Labor in 1882 and made a national holiday by t...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...Armistice Day
(Encyclopedia)Armistice Day: see Veterans' Day.Flag Day
(Encyclopedia)Flag Day, anniversary of the adoption of the American flag in 1777. It is celebrated on June 14 but is not a legal holiday.Valentine's Day
(Encyclopedia)Valentine's Day: see Saint Valentine's Day. ...Browse by Subject
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