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Borgia

(Encyclopedia)Borgia bôrˈhä [key], Spanish-Italian noble family, originally from Aragón. When Alfonso de Borja, cardinal-archbishop of Valencia, was pope as Calixtus III (1455–58), several relatives followed ...

Chihuahua, state, Mexico

(Encyclopedia)Chihuahua chēwäˈwä [key], state, 94,831 sq mi (245,612 sq km), N Mexico, on the border of ...

Moore, Gordon Earle

(Encyclopedia)Moore, Gordon Earle, 1929– American engineer, inventor, and entrepreneur, b. San Francisco, Ph.D. California Institute of Technology, 1954. He joined (1956) Shockley Semiconductor Laboratory, where ...

Sacramento, river, United States

(Encyclopedia)Sacramento, longest river of Calif., c.380 mi (610 km) long, rising near Mt. Shasta, N Calif., and flowing generally SW to Suisun Bay, an arm of San Francisco Bay, where it forms a large delta with th...

San Andreas fault

(Encyclopedia)San Andreas fault, great fracture (see fault) of the earth's crust in California. It is the principal fault of an intricate network of faults extending more than 600 mi (965 km) from NW California to ...

sertão

(Encyclopedia)sertão sərˈtouN [key] [Port.,=backlands], semiarid hinterland of NE Brazil; c.250,000 sq mi (647,500 sq km). Its characteristic landscape is the caatinga, or thorny scrub forest. The chief occupati...

vigilantes

(Encyclopedia)vigilantes vĭjĭlănˈtēz [key], members of a vigilance committee. Such committees were formed in U.S. frontier communities to enforce law and order before a regularly constituted government could b...

Shotwell, James Thomson

(Encyclopedia)Shotwell, James Thomson, 1874–1965, Canadian-American historian, b. Strathroy, Ont. A teacher of history at Columbia from 1900 and professor from 1908 to 1942, Shotwell also worked tirelessly to pro...

Sierra Club

(Encyclopedia)Sierra Club, national organization in the United States dedicated to the preservation and expansion of the world's parks, wildlife, and wilderness areas. Founded (1892) in California by a group led by...

Giannini, A. P.

(Encyclopedia)Giannini, A. P. (Amadeo Peter Giannini) ämädĕˈō, jänēˈnē [key], 1870–1949, American banker and financier, b. San Jose, Calif. The son of Italian immigrants, he joined his stepfather in the ...