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Macarthur, Mary Reid

(Encyclopedia)Macarthur, Mary Reid, 1880–1921, British labor organizer, b. Glasgow, Scotland. Working in her father's draper's shop, she became prominent in the shop assistants' union. As the representative of th...

Milk, river, United States and Canada

(Encyclopedia)Milk, river, 729 mi (1,173 km) long, rising in the Rocky Mts., NW Mont. It flows N into Alberta, Canada, then in long curves eastward, S into Montana again, and generally SE to the Missouri River, ent...

bleaching powder

(Encyclopedia)bleaching powder, white or nearly white powder that is usually a mixture of calcium chloride hypochlorite, CaCl(OCl); calcium hypochlorite, Ca(OCl)2; and calcium chloride, CaCl2. Sometimes called chlo...

David I, king of Scotland

(Encyclopedia)David I, 1084–1153, king of Scotland (1124–53), youngest son of Malcolm III and St. Margaret of Scotland. During the reign of his brother Alexander I, whom he succeeded, David was earl of Cumbria,...

David II, king of Scotland

(Encyclopedia)David II (David Bruce), 1324–71, king of Scotland (1329–71), son and successor of Robert I. David's guardians were not strong enough to prevent the invasion (1332) of Scotland by Edward de Baliol,...

David and Lucile Packard Foundation

(Encyclopedia)David and Lucile Packard Foundation, private philanthropic institution that funds nonprofit organizations. It was founded in 1964 by David Packard (1912–96), co-founder of Hewlett-Packard Co., and h...

Stuart, David, duke of Rothesay

(Encyclopedia)Stuart or Stewart, David, duke of Rothesay rŏthˈsē [key], 1378?–1402, Scottish prince; son and heir apparent of Robert III. On his father's accession (1390) to the throne, David became earl of Ca...

Thompson, Sir John Sparrow David

(Encyclopedia)Thompson, Sir John Sparrow David, 1844–94, Canadian political leader, b. Nova Scotia. He was elected (1877) to the provincial assembly, was briefly provincial prime minister, and then was made a jus...

Scharnhorst, Gerhard Johann David von

(Encyclopedia)Scharnhorst, Gerhard Johann David von gĕrˈhärt yōˈhän däˈvēt fən shärnˈhôrst [key], 1755–1813, Prussian general. A Hanoverian army officer, military writer, and director of the war coll...

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