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Sigismund I

(Encyclopedia)Sigismund I, 1467–1548, king of Poland (1506–48), son of Casimir IV. Elected to succeed his brother, Alexander I, Sigismund faced the problem of consolidating his domestic power in order successfu...

Sforza, Ludovico

(Encyclopedia)Sforza, Ludovico or Lodovico , lō– [key], b. 1451 or 1452, d. 1508, duke of Milan (1494–99); younger son of Francesco I Sforza. He was called Ludovico il Moro [the Moor] because of his swarthy co...

Warwick, Richard Neville, earl of

(Encyclopedia)Warwick, Richard Neville, earl of , wŏrˈĭk [key], 1428–71, English nobleman, called the Kingmaker. Through his grandfather, Ralph Neville, 1st earl of Westmorland, he had connections with the hou...

Caesar, Julius

(Encyclopedia)Caesar, Julius (Caius Julius Caesar), 100? b.c.–44 b.c., Roman statesman and general. Caesar has always been one of the most controversial characters of history. His admirers have seen in him the ...

Madison, James

(Encyclopedia)Madison, James, 1751–1836, 4th President of the United States (1809–17), b. Port Conway, Va. When Jefferson triumphed in the election of 1800, Madison became (1801) his secretary of state. He se...

drug addiction and drug abuse

(Encyclopedia)drug addiction and drug abuse, chronic or habitual use of any chemical substance to alter states of body or mind for other than medically warranted purposes. Traditional definitions of addiction, with...
 

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