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Three Mile Island

(Encyclopedia)Three Mile Island, site of a nuclear power plant 10 mi (16 km) south of Harrisburg, Pa. On Mar. 28, 1979, failure of the cooling system of the No. 2 nuclear reactor led to overheating and partial melt...


(Encyclopedia)mile: see English units of measurement.

Three Kingdoms

(Encyclopedia)Three Kingdoms, period of Chinese history from 220 to 265, after the collapse of the Han dynasty. The period takes its name from the three states into which China was divided. Wei occupied the north. ...

Three Kings

(Encyclopedia)Three Kings: see Wise Men of the East.

Three Rivers

(Encyclopedia)Three Rivers, Que., Canada: see Trois Rivières.

West Island

(Encyclopedia)West Island, island (2016 pop. 140), capital of the Cocos Islands, an Australian territory. One of three inhabited islands in the group, its population is mainly Australians of European descent. The i...

Three Emperors' League

(Encyclopedia)Three Emperors' League, informal alliance among Austria-Hungary, Germany, and Russia, announced officially in 1872 on the occasion of the meeting of emperors Francis Joseph, William I, and Alexander I...

Three Gorges Dam

(Encyclopedia)Three Gorges Dam, 607 ft (185 m) high and 7,575 ft (2,309 m) long, on the Chang (Yangtze) River, central Hubei prov., China, 30 mi (48 km) W of Yichang. The largest concrete structure in the world, th...

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