Columbia Encyclopedia
Search results
424 results found
Haymarket Square riot
(Encyclopedia)Haymarket Square riot, outbreak of violence in Chicago on May 4, 1886. Demands for an eight-hour working day became increasingly widespread among American laborers in the 1880s. A demonstration, large...Parsons, Lucy
(Encyclopedia)Parsons, Lucy, 1851–1942, American anarchist and labor activist. Although she claimed publicly to have been born of Mexican and Native American descent as Lucia Gonzalez, she was likely born in slav...square
(Encyclopedia)square, closed plane figure bounded by four straight line segments of equal length and meeting at right angles. The points of intersection of the lines, or sides, are called vertices. The diagonals of...Knights of Labor
(Encyclopedia)Knights of Labor, American labor organization, started by Philadelphia tailors in 1869, led by Uriah S. Stephens. It became a body of national scope and importance in 1878 and grew more rapidly after ...magic square
(Encyclopedia)magic square, a square divided into parts with letters or numbers inscribed therein that, whether combined vertically, horizontally, or diagonally, form the same sum or the same word. In ancient times...Franklin Square
(Encyclopedia)Franklin Square, uninc. city (2020 pop. 32,055), Nassau co., SE N.Y., on Long Island. Although it is chiefly residential, there is significant manufactu...Tiananmen Square
(Encyclopedia)Tiananmen Square, large public square in Beijing, China, on the southern edge of the Inner or Tatar City. The square, named for its Gate of Heavenly Peace (Tiananmen), contains the monument to the her...Times Square
(Encyclopedia)Times Square, in New York City. Formed by the intersection of Broadway, Seventh Ave., and 42d St., this famous square was named (1904) for the building there that formerly belonged to the New York Tim...Trafalgar Square
(Encyclopedia)Trafalgar Square, in Westminster, London, England, named for Lord Nelson's victory at the battle of Trafalgar. The statue surmounting the Nelson memorial column (185 ft/56 m high) was sculpted (1840â€...square, magic
(Encyclopedia)square, magic: see magic square. ...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
