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Niagara Falls, waterfall, United States and Canada

(Encyclopedia)Niagara Falls, in the Niagara River, W N.Y. and S Ont., Canada; one of the most famous spectacles in North America. The falls are on the international line between the cities of Niagara Falls, N.Y., a...

Flathead, river, Canada and the United States

(Encyclopedia)Flathead flătˈhĕd [key], river, c.240 mi (390 km) long, rising as the North Fork, in SE British Columbia, Canada, and flowing generally SE through NW Montana, to Coram, where it is joined by the Mi...

Frederick IV, king of Denmark and Norway

(Encyclopedia)Frederick IV, 1671–1730, king of Denmark and Norway (1699–1730), son and successor of Christian V. He allied himself (1699) with Augustus II of Poland and Saxony and with Peter I of Russia against...

John II, king of Aragón and Sicily

(Encyclopedia)John II, 1397–1479, king of Aragón and Sicily (1458–79), king of Navarre (1425–79), count of Barcelona. He succeeded his brother, Alfonso V, in Aragón, Catalonia, and Sicily and became king of...

Young Men's and Young Women's Hebrew Associations

(Encyclopedia)Young Men's and Young Women's Hebrew Associations (YMHA, YWHA), organizations that promote health, social activities, recreation, acculturation of new Jewish Americans, and Jewish culture among Jews o...

Yukon, river, Canada and the United States

(Encyclopedia)Yukon yo͞oˈkŏn [key], river, c.2,000 mi (3,220 km) long, rising in Atlin Lake, NW British Columbia, Canada, and receiving numerous headwater streams; one of the longest rivers of North America. It ...

Frederick V, king of Denmark and Norway

(Encyclopedia)Frederick V, 1723–66, king of Denmark and Norway (1746–66), son and successor of Christian VI. Frederick's reign was one of commercial expansion and prosperity. Loans, subsidies, and treaties aide...

Alfonso I, king of Aragón and Navarre

(Encyclopedia)Alfonso I (Alfonso the Battler) ălfŏnˈsō, äl– [key], d. 1134, king of Aragón and Navarre (1104–34), brother and successor of Peter I. The husband of Urraca, queen of Castile, he fought unsuc...

Charles XIII, king of Sweden and Norway

(Encyclopedia)Charles XIII, 1748–1818, king of Sweden (1809–18) and Norway (1814–18). He became regent for his nephew, Gustavus IV, after the assassination (1792) of his brother Gustavus III. He introduced so...

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