A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9
        
U-2 Affair
(1960) Confrontation between the U.S. and the Soviet Union.
U-boat
German submarine.
U.S. News & World Report
Weekly newsmagazine published in Washington, D.C. U.S. News was founded in 1933 by David Lawrence (1888–1973) to cover important domestic events; he founded World Report in 1945 to treat world news.
Uaxactún
Ancient Maya ruins, north-central Guatemala.
Ubangi River
River, central Africa.
Ucayali River
River, central and northern Peru.
Uccello, Paolo
Italian painter.
'ud
Stringed instrument prominent in medieval and modern Islamic music, forerunner of the European lute.
Udall, Nicholas
English playwright, translator, and schoolmaster.
Ufa
City (pop., 2001 est.: 1,088,800), western Russia.
Uffizi Gallery
Art museum in Florence, housing the world's finest collection of Italian Renaissance painting.
Uganda
Country, eastern Africa.
Ugarit
Ancient city, Middle East.
Uí Néill
Major dynasty of medieval Ireland, which long dominated Ulster.
Uighur
A Turkic-speaking people of Central Asia who live largely in northwestern China.
Uinta Mountains
Mountain range, south-central Rocky Mountains, U.S.
Ujung Pandang
City (pop., 1995 est.: 1,060,257), Celebes (Sulawesi), Indonesia.
ukiyo-e
Dominant art movement of the Edo culture in Japan.
Ukraine
Country, eastern Europe.
Ukrainian language
Slavic language spoken by about 41 million people in Ukraine, Poland, Slovakia, Russia, and in enclaves around the world.
ukulele
Small Hawaiian four-stringed guitar.
Ulaanbaatar
City (pop., 2002 est.: mun., 812,500), capital of Mongolia.
Ulam, Stanislaw M(arcin)
Polish-born U.S. mathematician and atomic physicist.
Ulanova, Galina (Sergeyevna)
Russian ballet dancer, the first prima ballerina assoluta of the Soviet Union.
Ulbricht, Walter
German communist leader and head of East Germany (1960–73).
ulcer
Concave sore on the skin or lining of an organ, with well-defined, sometimes raised edges.
ulcerative colitis
Inflammation of the colon, especially of its mucous membranes.
Ullmann, Liv
Norwegian film actress.
Ulm, Battle of
(Sept. 25–Oct. 20, 1805) Major victory by France over Austria at Ulm, Bavaria.
Ulmanis, Karlis
Latvian independence leader and premier of Latvia (1918, 1919–21, 1925–26, 1931–32, 1934–40).
Britannica Concise is a complete, 28,000 article, single-volume encyclopedia from the editors of Encyclopædia Britannica. Visit Encyclopædia Britannica Online to access the complete Encyclopædia Britannica, the Britannica Student Encyclopedia, a world atlas, interactive timelines, Merriam-Webster's Collegiate Dictionary and Thesaurus, hundreds of magazine titles, daily features and much more.