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Compromise of 1850

(Encyclopedia)Compromise of 1850. The annexation of Texas to the United States and the gain of new territory by the Treaty of Guadalupe Hidalgo at the close of the Mexican War (1848) aggravated the hostility betwee...

Hoover Institution on War, Revolution, and Peace

(Encyclopedia)Hoover Institution on War, Revolution, and Peace, at Stanford, Calif. It was established in 1919 as the Hoover War Library by Herbert Hoover to extend his collection of documents of World War I, but i...

Freedom of Information Act

(Encyclopedia)Freedom of Information Act (1966), law requiring that U.S. government agencies release their records to the public on request, unless the information sought falls into a category specifically exempted...

philosophy of science

(Encyclopedia)philosophy of science, branch of philosophy that emerged as an autonomous discipline in the 19th cent., especially through the work of Auguste Comte, J. S. Mill, and William Whewell. Several of the is...

Aberdeen, George Hamilton-Gordon, 4th earl of

(Encyclopedia)Aberdeen, George Hamilton-Gordon, 4th earl of ăbˌədēnˈ [key], 1784–1860, British statesman. He served (1813) as ambassador extraordinary at Vienna and helped arrange (1814) the peace terms at P...

Alexis, czar of Russia

(Encyclopedia)Alexis əlyĭksyāˈ mēkhīˈləvĭch [key], 1629–76, czar of Russia (1645–76), son and successor of Michael. His reign, marked by numerous popular outbreaks, was crucial for the later developmen...

Franklin, State of

(Encyclopedia)Franklin, State of, government (1784–88) formed by the inhabitants of Washington, Sullivan, and Greene counties in present-day E Tennessee after North Carolina ceded (June, 1784) its western lands t...

kinetic-molecular theory of gases

(Encyclopedia)kinetic-molecular theory of gases, physical theory that explains the behavior of gases on the basis of the following assumptions: (1) Any gas is composed of a very large number of very tiny particles ...

Æthelbert, king of Kent

(Encyclopedia)Æthelbert ĕˈthəlbərt, ă– [key], d. 616, king of Kent (560?–616). Although defeated by the West Saxons in 568, he became the strongest ruler in England S of the Humber River. His wife, Bertha...

constitution, principles of government

(Encyclopedia)constitution, fundamental principles of government in a nation, either implied in its laws, institutions, and customs, or embodied in one fundamental document or in several. In the first category—cu...