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Civil War, in U.S. history

(Encyclopedia)Civil War, in U.S. history, conflict (1861–65) between the Northern states (the Union) and the Southern states that seceded from the Union and formed the Confederacy. It is generally known in the So...

United Nations

(Encyclopedia)CE5 CE5 United Nations (UN), international organization established immediately after World War II. It replaced the League of Nations. In 1945, when the UN was founded, there were 51 members; 193...

Nigeria

(Encyclopedia)CE5 Nigeria nījĭrˈēə [key], officially Federal Republic of Nigeria, republic (2015 est. pop. 181,182,000), 356,667 sq mi (923,768 sq km), W Africa. It borders on the Gulf of Guinea (an arm of ...

Great Britain

(Encyclopedia)CE5 CE5 CE5 Great Britain, officially United Kingdom of Great Britain and Northern Ireland, constitutional monarchy (2015 est. pop. 65,397,000), ...

Spain

(Encyclopedia)CE5 CE5 Spain, Span. España āspäˈnyä [key], officially Kingdom of Spain, constitutional monarchy (2015 est. pop. 46,398,000), 194,884 sq mi (504,750 sq km), including the Balearic and Canary...

United States

(Encyclopedia)CE5 CE5 CE5 United States, officially United States of America, republic (2015 est. pop. 319,929,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third l...

China

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

Germany

(Encyclopedia)CE5 Germany jûrˈmənē [key], Ger. Deutschland, officially Federal Republic of Germany, ...

Russia

(Encyclopedia)CE5 CE5 Russia, officially the Russian Federation, Rus. Rossiya, republic (2015 est. pop. 143,888,000), 6,591,100 sq mi (17,070,949 sq km). The largest country in the world by area, Russia is bou...

National Parks and Monuments (table)

(Encyclopedia)National Parks and Monuments 1 National Parks and Monuments National Monuments National and International Historic Sites and Historical Parks National Memorials National Battlef...