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Russian Revolution

(Encyclopedia)Russian Revolution, violent upheaval in Russia in 1917 that overthrew the czarist government. The civil war between the Bolsheviks (Reds) and the anti-Bolsheviks (Whites) ravaged Russia until 1920. ...

Uruguay , country, South America

(Encyclopedia)CE5 Uruguay yo͝oˈrəgwā, gwī, Span. o͞oro͞ogwiˈ, o͞oro͞owīˈ [key], officially Oriental Republic of Uruguay, republic (2015 est. pop. 3,432,000), 68,536 sq mi (177,508 sq km), SE South Am...

Florida, state, United States

(Encyclopedia) CE5 Florida ...

Yugoslavia

(Encyclopedia)CE5 CE5 Yugoslavia yo͞oˌgōsläˈvēə [key], Serbo-Croatian Jugoslavija, former country of SE Europe, in the Balkan Peninsula. Belgrade was the capital and by far the largest city. Yugoslavs (...

drug addiction and drug abuse

(Encyclopedia)drug addiction and drug abuse, chronic or habitual use of any chemical substance to alter states of body or mind for other than medically warranted purposes. Traditional definitions of addiction, with...

Nobel Prizes (table)

(Encyclopedia)Nobel Prizes

Romania

(Encyclopedia)CE5 Romania ro͞o– [key], republic (2015 est. pop. 19,877,000), 91,699 sq mi (237,500 sq km), SE Europe. It borders on Hungary in the northwest, on Serbia in the southwest, on Bulgaria in the sou...

California

(Encyclopedia)CE5 California kălˌĭfôrˈnyə [key], most populous state in the United States, located in the Far West; bordered by Oregon (N), Nevada and, across the Colorado River, Arizona (E), Mexico (S), a...

China

(Encyclopedia)CE5 CE5 China, Mandarin Zhonghua Renmin Gongheguo [central glorious people's united country; i.e., people's republic], officially People's Repu...

Union of Soviet Socialist Republics

(Encyclopedia)Union of Soviet Socialist Republics (USSR), Rus. Soyuz Sovetskikh Sotsialisticheskikh Respublik, former republic. It was established in 1922 and dissolved in 1991. The Soviet Union was the first state...