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labor, division of

(Encyclopedia)labor, division of: see division of labor. ...

Laibach, Congress of

(Encyclopedia)Laibach, Congress of līˈbäkh [key], conference of European powers in 1821, held in what is now Ljubljana, Slovenia. The chief powers at the congress were Russia, Austria, Prussia, France, and Great...

Lauria, Roger of

(Encyclopedia)Lauria, Roger of: see Roger of Loria. ...

Lausanne, Treaty of

(Encyclopedia)Lausanne, Treaty of, 1922–23. The peace treaty (see Sèvres, Treaty of) imposed by the Allies on the Ottoman Empire after World War I had virtually destroyed Turkey as a national state. The treaty w...

Lawrence of Arabia

(Encyclopedia)Lawrence of Arabia: see Lawrence, T. E. ...

Kent, Maid of

(Encyclopedia)Kent, Maid of: see Barton, Elizabeth. ...

League of Nations

(Encyclopedia)League of Nations, former international organization, established by the peace treaties that ended World War I. Like its successor, the United Nations, its purpose was the promotion of international p...

Leeds, University of

(Encyclopedia)Leeds, University of, at Leeds, England; established 1884 by the amalgamation of Yorkshire College (1874) with the Leeds School of Medicine (1831). The school was known as Yorkshire College until 1904...

Kulikovo, battle of

(Encyclopedia)Kulikovo, battle of ko͞olyĭkôˈvə [key], 1380, victory of Grand Duke Dmitri Donskoi of Moscow over Khan Mamai of the Golden Horde. The battle was fought on a plain by the Don near the present vill...

Aristarchus of Samos

(Encyclopedia)Aristarchus of Samos ărˌĭstärˈkəs, sāˈmŏs [key], fl. c.310 b.c.–c.230 b.c., Greek astronomer and mathematician of the Alexandrian school. He is said to have been the first to propose a heli...