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Great Depression
(Encyclopedia)Great Depression, in U.S. history, the severe economic crisis generally considered to have been precipitated by the U.S. stock-market crash of 1929. Although it shared the basic characteristics of oth...Erie Canal
(Encyclopedia)Erie Canal, artificial waterway, c.360 mi (580 km) long; connecting New York City with the Great Lakes via the Hudson River. Locks were built to overcome the 571-ft (174-m) difference between the leve...dark matter
(Encyclopedia)dark matter, material that is believed to make up nearly 27% of the mass of the universe but is not readily visible because it neither emits nor reflects electromagnetic radiation, such as light or ra...city
(Encyclopedia)city, densely populated urban center, larger than a village or a town, whose inhabitants are engaged primarily in commerce and industry. In the United States a city is legally an incorporated municipa...Tudor
(Encyclopedia)Tudor, royal family that ruled England from 1485 to 1603. Its founder was Owen Tudor, of a Welsh family of great antiquity, who was a squire at the court of Henry V and who married that king's widow, ...Wilde, Oscar
(Encyclopedia)Wilde, Oscar (Oscar Fingal O'Flahertie Wills Wilde), 1854–1900, Irish author and wit, b. Dublin. He is most famous for his sophisticated, brilliantly witty plays, which were the first since the come...musicals
(Encyclopedia)musicals, earlier known as musical comedies, plays that incorporate music, song, and dance. These elements move with the plot, heightening and commenting on the action. Mixing the sprightly songs and ...Arthurian legend
(Encyclopedia)Arthurian legend, the mass of legend, popular in medieval lore, concerning King Arthur of Britain and his knights. Although there are innumerable variations of the Arthurian legend, the basic story...Declaration of Independence
(Encyclopedia)Declaration of Independence, full and formal declaration adopted July 4, 1776, by representatives of the Thirteen Colonies in North America announcing the separation of those colonies from Great Brita...Utopia
(Encyclopedia)Utopia yo͞otōˈpēə [key] [Gr.,=no place], title of a book by Sir Thomas More, published in Latin in 1516. The work pictures an ideal state where all is ordered for the best for humanity as a whole...Browse by Subject
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