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biological diversity

(Encyclopedia)biological diversity or biodiversity, the number of species in a given habitat. Scientists have variously estimated that there are from 3 to 30 million extant species, of which 2.5 million have been c...

Rathenau, Walther

(Encyclopedia)Rathenau, Walther välˈtər räˈtənou [key], 1867–1922, German industrialist, social theorist, and statesman. Son of Emil Rathenau (1838–1915), founder of the German public utilities company Al...

Banat

(Encyclopedia)Banat bäˈnät [key], region extending across W Romania, NE Serbia, and S Hungary. The term banat originally referred to any of several frontier provinces of Hungary and Croatia that were ruled by ba...

European Commission

(Encyclopedia)European Commission (EC), institution of the European Union (EU) invested with executive powers; it also is the main EU institution that initiates legislation. Located in Brussels, Belgium, it was fou...

Armagnacs and Burgundians

(Encyclopedia)Armagnacs and Burgundians, opposing factions that fought to control France in the early 15th cent. The rivalry for power between Louis d'Orléans, brother of the recurrently insane King Charles VI, an...

Poincaré, Raymond

(Encyclopedia)Poincaré, Raymond pwăNkärāˈ [key], 1860–1934, French statesman, president of France (1913–20); cousin of Jules Henri Poincaré. A member of the chamber of deputies from 1887, he held numerou...

Charles VI, Holy Roman emperor

(Encyclopedia)Charles VI, 1685–1740, Holy Roman emperor (1711–40), king of Bohemia (1711–40) and, as Charles III, king of Hungary (1712–40); brother and successor of Holy Roman Emperor Joseph I. Charles was...

Louisiana Purchase

(Encyclopedia)CE5 Louisiana Purchase (1803) Louisiana Purchase, 1803, American acquisition from France of the formerly Spanish region of Louisiana. Jefferson instructed Livingston to attempt to purchase the �...

Northwest Territory

(Encyclopedia)CE5 Northwest Territory Northwest Territory, first possession of the United States, comprising the region known as the Old Northwest, S and W of the Great Lakes, NW of the Ohio River, and E of the...

Mussolini, Benito

(Encyclopedia)Mussolini, Benito bānēˈtō mo͞os-sōlēˈnē [key], 1883–1945, Italian dictator and leader of the Fascist movement. Mussolini was at first cool to Adolf Hitler and opposed his designs on Aus...