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Guadalupe Hidalgo, Treaty of

(Encyclopedia)Guadalupe Hidalgo, Treaty of, 1848, peace treaty between the United States and Mexico that ended the Mexican War. Negotiations were carried on for the United States by Nicholas P. Trist. The treaty wa...

Fenneman, Nevin M.

(Encyclopedia)Fenneman, Nevin M. nĕvˈĭn fĕnˈəmən [key], 1865–1945, American geologist, geographer, and teacher, b. Lima, Ohio; B.A. (1883) Heidelberg College, Ohio; M.A. (1900); Ph.D. (1901) Univ. of Chica...

Manhattan Project

(Encyclopedia)Manhattan Project, the wartime effort to design and build the first nuclear weapons (atomic bombs). With the discovery of fission in 1939, it became clear to scientists that certain radioactive materi...

Saint Lawrence

(Encyclopedia)Saint Lawrence, one of the principal rivers of North America, 744 mi (1,197 km) long. It issues from the northeastern end of Lake Ontario and flows northeast, first along the U.S.-Canadian border, the...

levee

(Encyclopedia)levee lĕvˈē [key] [Fr.,=raised], embankment built along a river to prevent flooding by high water. Levees are the oldest and the most extensively used method of flood control. They are constructed ...

Ignatius of Antioch, Saint

(Encyclopedia)Ignatius of Antioch, Saint ĭgnāˈshəs, ănˈtēŏk [key], d. c.107, bishop of Antioch and Christian martyr, called Theophorus [Gr.,= God-bearer]. He was probably a convert and a disciple of St. Joh...

Thompson, Guy Lawrence

(Encyclopedia)Thompson, Guy Lawrence, 1897–1970, English surgeon, writer, and naturalist, educated at Trinity College, Cambridge. Fellow of the Royal College of Surgeons, he wrote Eric and Joan (1960), an account...

Ishii, Kikujiro

(Encyclopedia)Ishii, Kikujiro kēˌko͞oˌjērōˈĭshēˈ [key], 1865–1945, Japanese career diplomat. He entered the foreign ministry after graduating from Tokyo Univ. with a degree in English law. In 1907–8 h...

war debts

(Encyclopedia)war debts. This article discusses the obligations incurred by foreign governments for loans made to them by the United States during and shortly after World War I. For international obligations arisin...

Grand River, river, Canada

(Encyclopedia)Grand River, c.165 mi (270 km) long, rising in the highlands of the Ontario Peninsula, S Ont., Canada, and flowing S past Kitchener and Brantford, then SE to Lake Erie at Port Maitland. It is navigabl...
 

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