Columbia Encyclopedia

Search results

500 results found

Gibraltar

(Encyclopedia)Gibraltar jĭbrôlˈtər [key], British overseas territory (2015 est. pop. 34,000), 2.5 sq mi (6.5 sq km), on a narrow, rocky peninsula extending into the Mediterranean Sea from SW Spain. Most of the ...

Leakey, Richard Erskine Frere

(Encyclopedia)Leakey, Richard Erskine Frere frĭr [key], 1944–2022, Kenyan paleoanthropologist, conservationist, and ...

United Nations Conference on Environment and Development

(Encyclopedia)United Nations Conference on Environment and Development (UNCED) or Earth Summit, an 11-day meeting held in June, 1992, in Rio de Janeiro, Brazil, to discuss the global conflict between economic devel...

public land

(Encyclopedia)public land, in U.S. history, land owned by the federal government but not reserved for any special purpose, e.g., for a park or a military reservation. Public land is also called land in the public d...

Tennessee Valley Authority

(Encyclopedia)Tennessee Valley Authority (TVA), independent U.S. government corporate agency, created in 1933 by act of Congress; it is responsible for the integrated development of the Tennessee River basin. The h...

Hezbollah

(Encyclopedia)Hezbollah [Arab., = Party of God], Lebanese Shiite political party and militia. Founded in 1982 with Iranian help to oppose Israeli forces occupying S Lebanon, Hezbollah launched guerrilla attacks...

Bashir, Omar Hassan Ahmed al-

(Encyclopedia)Bashir, Omar Hassan Ahmed al- ōˈmär häˈsän äˈmĕd äl-bäshērˈ [key], 1944–, Sudanese military and political leader, president of Sudan (1994–2019). He graduated from the Sudanese milita...

Root, Elihu

(Encyclopedia)Root, Elihu, 1845–1937, American cabinet member and diplomat, b. Clinton, N.Y. Admitted to the bar in 1867, he practiced law in New York City, became prominent in Republican politics, and was appoin...

elementary particles

(Encyclopedia)CE5 elementary particles, the most basic physical constituents of the universe. The first subatomic particle to be discovered was the electron, identified in 1897 by J. J. Thomson. After the...

Halleck, Henry Wager

(Encyclopedia)Halleck, Henry Wager, 1815–72, Union general in the American Civil War, b. Oneida co., N.Y., grad. West Point, 1839. He entered the Corps of Engineers and became an expert on fortifications; his Ele...