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Valdivia, Pedro de

(Encyclopedia)Valdivia, Pedro de pāˈdhrō dā väldēˈvyä [key], c.1500–1554, Spanish conquistador, conqueror of Chile. One of Francisco Pizarro's best officers in the conquest of Peru, educated, energetic, s...

Irala, Domingo Martínez de

(Encyclopedia)Irala, Domingo Martínez de dōmēngˈgō märtēˈnās dā ēräˈlä [key], d. 1556 or 1557, first governor of Paraguay. Of Basque origin, he accompanied Pedro de Mendoza on his expedition to La Pla...

Hurtado de Mendoza, Diego

(Encyclopedia)Hurtado de Mendoza, Diego dyāˈgō o͞ortäˈdhō dā māndōˈthä [key], 1503—75, Spanish poet, historian, and statesman, b. Granada. An ambassador of Charles V to England and Venice and at the C...

Nunes, Pedro

(Encyclopedia)Nunes, Pedro pĕˈdro͝o no͞oˈnəsh [key], Lat. Petrus Nonius, 1502–1578, Portuguese mathematician, geographer, and writer on navigation and geometry. He was the first (1534) to demonstrate an ins...

Plata, Río de la

(Encyclopedia)Plata, Río de la rēˈō ᵺā lä pläˈtä [key], estuary, c.170 mi (270 km) long, SE South America, formed by the Paraná and Uruguay rivers. Between Argentina and Uruguay, the estuary is c.120 mi...

Pedro II

(Encyclopedia)Pedro II (Dom Pedro II de Alcântara), 1825–91, emperor of Brazil (1831–89). At the age of five, he succeeded under a regency when his father, Pedro I, abdicated. He was declared of age in 1840. P...

Teixeira, Pedro

(Encyclopedia)Teixeira, Pedro pĕˈdro͝o tāˈshārə [key], d. 1640, Portuguese explorer, one of the early voyagers on the Amazon. He commanded the expedition sent by the governor of Maranhão up the Amazon in th...

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