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irrigation

(Encyclopedia)irrigation, in agriculture, artificial watering of the land. Although used chiefly in regions with annual rainfall of less than 20 in. (51 cm), it is also used in wetter areas to grow certain crops, e...

Suzman, Helen

(Encyclopedia)Suzman, Helen, 1917–2009, South African politician and anti-apartheid activist, b. Helen Gavronsky, grad. Univ. of Witwatersrand (1940). The daughter of Lithuanian Jewish immigrants, she taught at h...

Clark, George Rogers

(Encyclopedia)Clark, George Rogers, 1752–1818, American Revolutionary general, conqueror of the Old Northwest, b. near Charlottesville, Va.; brother of William Clark. A surveyor, he was interested in Western land...

French Revolutionary Wars

(Encyclopedia)French Revolutionary Wars, wars occurring in the era of the French Revolution and the beginning of the Napoleonic era, the decade of 1792–1802. The wars began as an effort to defend the Revolution a...

Crawford, William Harris

(Encyclopedia)Crawford, William Harris, 1772–1834, American statesman, b. Amherst co., Va. (his birthplace is now in Nelson co.). He moved with his parents to South Carolina and later to Georgia. After studying l...

Portsmouth, city, England

(Encyclopedia)Portsmouth, city and unitary authority (2011 pop. 205,056), S England, on Spithead Channel. The city includes Portsea (naval station), Southsea (residential district and resort), and the old town of P...

Prince

(Encyclopedia)Prince, 1958–2016, American singer and songwriter, b. Minneapolis, Minn., as Prince Rogers Nelson. Biracial, slim, and sexily androgynous, he was an electrifying performer who composed hundreds of s...

Pitt, William, 1759–1806, British statesman

(Encyclopedia)Pitt, William, 1759–1806, British statesman; 2d son of William Pitt, 1st earl of Chatham. Trained as a lawyer, he entered Parliament in 1781 and in 1782 at the age of 23 became chancellor of the exc...

Mbeki, Govan Archibald Mvuyelwa

(Encyclopedia)Mbeki, Govan 1910–2001, anti-apartheid activist, politician, and writer. Mbeki was an influential leader of the African National Congress, the ...

Ramus, Petrus

(Encyclopedia)Ramus, Petrus pyĕr də lä rämāˈ [key], 1515–72, French humanist and philosopher. Attempting to break through Aristotelian and scholastic traditions, Ramus wrote a number of works that became in...