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Henry I, king of France
(Encyclopedia)Henry I, c.1008–1060, king of France (1031–60), son and successor of King Robert II. To defend his throne against his mother, his brothers Robert and Eudes, and subsequently against the count of B...Gloucester, Robert, earl of
(Encyclopedia)Gloucester, Robert, earl of, d. 1147, English nobleman; illegitimate son of Henry I. Henry created (c.1121) the earldom of Gloucester for him. After his father's death (1135), Robert appeared to accep...Indiana, Robert
(Encyclopedia)Indiana, Robert ĭnˌdē-ănˈə [key], 1928–2018, American pop artist, b. New Castle, Ind., as Robert Clark. A leading figure in the pop art movement of the 1960s, he specialized in making signs in...Robert of Courtenay
(Encyclopedia)Robert of Courtenay kôrtˈnē, ko͝ortənāˈ [key], d. 1228, Latin emperor of Constantinople (1218–28). His father, Peter of Courtenay, was elected by the Latin nobles to succeed Henry of Flanders...strength of materials
(Encyclopedia)strength of materials, measurement in engineering of the capacity of metal, wood, concrete, and other materials to withstand stress and strain. Stress is the internal force exerted by one part of an e...Robert I, king of Scotland
(Encyclopedia)Robert I or Robert the Bruce, 1274–1329, king of Scotland (1306–29). He belonged to the illustrious Bruce family and was the grandson of that Robert the Bruce who in 1290 was an unsuccessful claim...Robert II, king of Scotland
(Encyclopedia)Robert II, 1316–90, king of Scotland (1371–90), nephew and successor of David II. He was the first sovereign of the house of Stuart, or Stewart (see Stuart, family), which eventually succeeded to ...Robert III, king of Scotland
(Encyclopedia)Robert III, 1340?–1406, king of Scotland (1390–1406), eldest son and successor of Robert II. Known before his accession as John, earl of Carrick, he ruled for his father until 1389, when, having b...microscope
(Encyclopedia) CE5 Compound microscope microscope, optical instrument used to increase the apparent size of an object. The electron microscope, which is not limited by the powers of optical lenses and light,...Robert Guiscard
(Encyclopedia)Robert Guiscard gēskärˈ [key], c.1015–1085, Norman conqueror of S Italy, a son of Tancred de Hauteville (see Normans). Robert joined (c.1046) his brothers in S Italy and fought with them to expel...Browse by Subject
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