Columbia Encyclopedia
Search results
80 results found
space-time
(Encyclopedia)space-time, central concept in the theory of relativity that replaces the earlier concepts of space and time as separate absolute entities. In relativity one cannot uniquely distinguish space and time...Catullus
(Encyclopedia)Catullus (Caius Valerius Catullus) kətŭlˈəs [key], 84? b.c.–54? b.c., Roman poet, b. Verona. Of a well-to-do family, he went c.62 b.c. to Rome. He fell deeply in love, probably with Clodia, sist...Indian Affairs, Bureau of
(Encyclopedia)Indian Affairs, Bureau of, created (1824) in the U.S. War Dept. and transferred (1849) to the U.S. Dept. of the Interior. The War Dept. managed Native American affairs after 1789, but a separate burea...Aaron, Hank
(Encyclopedia)Aaron, Hank (Henry Louis Aaron), 1934–2021, U.S. baseball player, b. Mobile, Ala. A durable outfielder and consistent hitter noted for his powerful wrists and explosive swing, Aaron joined the Negro...Ohio Company of Associates
(Encyclopedia)Ohio Company of Associates, organization for the purchase and settlement of lands on the Ohio River, founded at Boston in 1786. Its organizers were a group of New England men, most of them former Amer...Ordinance of 1787
(Encyclopedia)Ordinance of 1787, adopted by the Congress of Confederation for the government of the Western territories ceded to the United States by the states. It created the Northwest Territory and is frequently...Irwin, Robert
(Encyclopedia)Irwin, Robert, 1928–, American painter and sculptor, b. Long Beach, Calif. Irwin was one of the founders of the California-based Light and Space movement. Early in his career, he painted in the abst...Thorpe, Jim
(Encyclopedia)Thorpe, Jim (James Francis Thorpe), 1888–1953, American athlete, b. near Prague, Okla. Thorpe was probably the greatest all-round male athlete the United States has ever produced. His mother, a Sac,...Porter, David
(Encyclopedia)Porter, David, 1780–1843, American naval officer, b. Boston. Appointed a midshipman in 1798, he served in the West Indies and in the war with Tripoli. In 1803 his ship, the Philadelphia, was capture...Persepolis
(Encyclopedia)Persepolis pərsĕpˈəlĭs [key] [Gr.,=city of Persia], ancient city of Persia, ceremonial capital of the Achaemenid empire under Darius I and his successors. The administrative capitals were elsewhe...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 +-
