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Mason-Dixon Line
(Encyclopedia)Mason-Dixon Line, boundary between Pennsylvania and Maryland (running between lat. 39°43′26.3″N and lat. 39°43′17.6″N), surveyed by the English team of Charles Mason, a mathematician and ast...Wilder, L. Douglas
(Encyclopedia)Wilder, L. Douglas (Lawrence Douglas Wilder), 1931–, American political leader, b. Richmond, Va. The grandson of slaves, Wilder studied law at Howard Univ. A Democrat, he was elected a state senator...Kemper, Reuben
(Encyclopedia)Kemper, Reuben, d. 1827, American adventurer, b. Virginia. With his brothers Nathan and Samuel he settled c.1800 in Feliciana, just above Baton Rouge, in West Florida, then Spanish territory. Expelled...civil war, in Roman history
(Encyclopedia)civil war, in Roman history: see Marius and Sulla; Pompey and Julius Caesar. ...Field Museum of Natural History
(Encyclopedia)Field Museum of Natural History, in Chicago, Ill. Founded in 1893 through the gifts of Marshall Field and others, it was first known as the Columbian Museum of Chicago and in 1905 was renamed in honor...Family Compact, in Canadian history
(Encyclopedia)Family Compact, name popularly applied to a small, powerful group of men who dominated the government of Upper Canada (Ontario) from the closing years of the 18th cent. to the beginnings of responsibl...February Revolution, in French history
(Encyclopedia)February Revolution, 1848, French revolution that overthrew the monarchy of Louis Philippe and established the Second Republic. General dissatisfaction resulted partly from the king's increasingly rea...February Revolution, in Russian history
(Encyclopedia)February Revolution, 1917, in Russian history: see The February Revolution under Russian Revolution. ...Fort Henry, in Canadian history
(Encyclopedia)Fort Henry: see Kingston, Ont., Canada. ...American Museum of Natural History
(Encyclopedia)American Museum of Natural History, incorporated in New York City in 1869 to promote the study of natural science and related subjects. Buildings on its present site facing Central Park were opened in...Browse by Subject
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