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John I, king of Aragón and count of Barcelona

(Encyclopedia)John I, 1350–95, king of Aragón and count of Barcelona (1387–95), son and successor of Peter IV. During his reign Aragón lost (1388) the duchy of Athens. An enthusiastic patron of learning and a...

Martin Luther King, Jr. Memorial

(Encyclopedia)Martin Luther King, Jr. Memorial: see National Parks and Monuments (table)national parks and monuments (table). ...

Colonna

(Encyclopedia)Colonna kōlônˈnä [key], noble Roman family that played a leading part in the history of Rome from the 12th to the 16th cent. They were hereditary enemies of the Orsini and Caetani families, genera...

Logau, Friedrich, Freiherr von

(Encyclopedia)Logau, Friedrich, Freiherr von frēˈdrĭkh frīˈhĕr fən lōˈgou [key], 1604–55, German poet, b. Silesia. Influenced by Martin Opitz, Logau wrote epigrams in the contemporary fashion, bringing a...

Maipú

(Encyclopedia)Maipú mīpo͞oˈ [key], battlefield, central Chile, a few miles S of Santiago. On Apr. 5, 1818, San Martín routed the Spanish royalist army at Maipú and assured Chilean independence. The victory ma...

Kamen, Martin David

(Encyclopedia)Kamen, Martin David kāˈmən [key], 1913–2002, American biochemist, b. Toronto, Canada, grad. Univ. of Chicago (B.S., Ph.D. 1937). He discovered carbon-14, the radioactive isotope of carbon used to...

Johnson, Martin Elmer

(Encyclopedia)Johnson, Martin Elmer, 1884–1937, American explorer and author, b. Rockford, Ill. He left home at 14 to work his way to Europe on a cattle boat, returning as a stowaway. He then joined the crew of J...

O'Higgins, Bernardo

(Encyclopedia)O'Higgins, Bernardo ōēˈgēns [key], 1778–1842, South American revolutionary and ruler (1817–23) of Chile; illegitimate son of Ambrosio O'Higgins. He was chosen in 1813 to replace José Miguel ...
 

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