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Patagonia

(Encyclopedia)Patagonia pätägōˈnyä [key], region, c.300,000 sq mi (777,000 sq km), primarily in S Argentina, S of the Río Colorado and E of the Andes, but including extreme SE Chile and N Tierra del Fuego. Pa...

Miocene epoch

(Encyclopedia)Miocene epoch mīˈəsēn [key], fourth epoch of the Tertiary period in the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from around 24.6 to 5.1 mill...

Luzon

(Encyclopedia)Luzon lo͞ozŏnˈ [key], island (1990 pop. 30,797,458), 40,420 sq mi (104,688 sq km), largest, most populous, and most important of the Philippine Islands. As the major island, Luzon has played the ...

Frémont, John Charles

(Encyclopedia)Frémont, John Charles, 1813–90, American explorer, soldier, and political leader, b. Savannah, Ga. He taught mathematics to U.S. naval cadets, then became an assistant on a surveying expedition (18...

guerrilla warfare

(Encyclopedia)guerrilla warfare gərĭlˈə [key] [Span.,=little war], fighting by groups of irregular troops (guerrillas) within areas occupied by the enemy. When guerrillas obey the laws of conventional warfare t...

Jurassic period

(Encyclopedia)Jurassic period jərăsˈĭk [key] [from the Jura Mts.], second period of the Mesozoic era of geologic time, lasting from 213 to 144 million years ago. At the start of the Jurassic most of the contine...

North America

(Encyclopedia)CE5 North America, third largest continent (2015 est. pop. 571,949,000), c.9,400,000 sq mi (24,346,000 sq km), the northern of the two continents of the Western Hemisphere. North America includes a...

Nevada

(Encyclopedia)CE5 Nevada nəvădˈə, –vä– [key], far western state of the United States. It is bordered by Utah (E), Arizona (SE), California (SW, W), and Oregon and Idaho (N). In the 20th cent. the ...

Castro, Fidel

(Encyclopedia)Castro, Fidel (Fidel Alejandro Castro Ruz) käsˈtrō [key], 1926–2016, Cuban revolutionary, premier of Cuba (1959–76), president of the Council of State and of the Council of Ministers (1976–2...

Mali

(Encyclopedia)CE5 Mali mäˈlē [key], officially Republic of Mali, independent republic (2015 est. pop. 17,468,000), 478,764 sq mi (1,240,000 sq km), the largest country in W Africa. Mali is bordered on the nor...