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aquarium

(Encyclopedia)aquarium, name for any supervised exhibit of aquatic animals and plants. Aquariums are known to have been constructed in ancient Rome, Egypt, and Asia. Goldfish have been bred in China for several hun...

Mount Wilson Observatory

(Encyclopedia)Mount Wilson Observatory, astronomical observatory located in California on Mt. Wilson, near Pasadena. Mt. Wilson Observatory was founded in 1904 by George E. Hale. Its equipment includes 100-in. (2.5...

Roe v. Wade

(Encyclopedia)Roe v. Wade, case decided in 1973 by the U.S. Supreme Court. Along with Doe v. Bolton, this decision legalized abortion in the first trimester of ...

Gorbachev, Mikhail Sergeyevich

(Encyclopedia)Gorbachev, Mikhail Sergeyevich mēkhəyēlˈ sĭrgāˈyəvich gərbəchofˈ ...

De Soto, Hernando

(Encyclopedia)De Soto, Hernando dĭsōˈtō, Span. ĕrnänˈdō dā sōˈtō [key], c.1500–1542, Spanish explorer. After serving under Pedro Arias de Ávila in Central America and under Francisco Pizarro in Peru,...

McAdoo, William Gibbs

(Encyclopedia)McAdoo, William Gibbs măkˈədo͞o [key], 1863–1941, American political leader, U.S. secretary of the treasury (1913–18), b. near Marietta, Ga. The son of a prominent Georgia jurist, McAdoo becam...

Yazidi

(Encyclopedia)Yazidi or Yezidi Middle Eastern religious community whose beliefs incorporate elements of Zoroastrianism, Sufism, Christianity, Manichaeism, and Judaism. Its members, numbering between 200,000 and one...

Vancouver Island

(Encyclopedia)Vancouver Island (1991 pop. 579,921), 12,408 sq mi (32,137 sq km), SW British Columbia, Canada, in the Pacific Ocean; largest island off W North America. It is c.285 mi (460 km) long and c.30 to 80 mi...

Santa Fe, city, United States

(Encyclopedia)Santa Fe sănˈtə fā [key], city (1990 pop. 55,859), alt. c.7,000 ft (2,130 m), state capital and seat of Santa Fe co., N N.Mex., at the foot of the Sangre de Cristo Mts. It is an administrative, to...

Armenia, country, Asia

(Encyclopedia)CE5 Armenia ärmēˈnēə [key], Armenian Hayastan, officially Republic of Armenia, republic (2020 est. pop. 2,963,000), 11,500 sq mi (29,785 sq km), in the S Caucasus....