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Tian Shan

(Encyclopedia)Tian Shan or Tien Shan both: tēĕn shän [key] [Chin.,=celestial mountains], mountain system of central Asia, extending c.1,500 mi (2,410 km) from the Pamir Mts., Tajikistan, NE through the Xinjiang ...

Trafalgar, battle of

(Encyclopedia)Trafalgar, battle of trəfălˈgər [key], naval engagement fought off Cape Trafalgar on the SW coast of Spain on Oct. 21, 1805, in which the British fleet under Horatio Nelson won a famous victory ov...

Castor and Pollux

(Encyclopedia)Castor and Pollux pŏlˈəks [key], in classical mythology, twin heroes called the Dioscuri; Castor was the son of Leda and Tyndareus, Pollux the son of Leda and Zeus. They were brothers to Helen and ...

Victoria Falls

(Encyclopedia)Victoria Falls, waterfall, c.1 mi (1.6 km) wide with a maximum drop of 420 ft (128 m), in the Zambezi River, S central Africa, on the Zambia-Zimbabwe border. The falls are formed as the Zambezi plumme...

Inside Passage

(Encyclopedia)Inside Passage, natural, protected waterway, c.950 mi (1,530 km) long, threading through the Alexander Archipelago off the coast of British Columbia and SE Alaska. From Seattle, Wash., to Skagway, Ala...

Conway, Thomas

(Encyclopedia)Conway, Thomas, 1735–1800?, general in the Continental army in the American Revolution, b. Ireland. Educated in France, he was an officer in the French army before coming (1777) to America. He fough...

Sherman, Roger

(Encyclopedia)Sherman, Roger, 1721–93, American political leader, b. Newton, Mass. Sherman helped to draft and signed the Declaration of Independence. He was long a member (1774–81, 1783–84) of the Continenta...

rhyolite

(Encyclopedia)rhyolite, fine-grained light-colored acidic volcanic rock. Rhyolite is chemically the equivalent of granite, and is thus composed primarily of quartz and orthoclase feldspar with subordinate amounts o...

Northeast Canyons and Seamounts Marine National Monument

(Encyclopedia)Northeast Canyons and Seamounts Marine National Monument, 4,913 sq mi (12,725 sq km), NW Atlantic Ocean, 130 mi (210 km) off the coast of Cape Cod; est. 2016. The monument is divided into two areas; o...

Allen, Ethan

(Encyclopedia)Allen, Ethan, 1738–89, hero of the American Revolution, leader of the Green Mountain Boys, and promoter of the independence and statehood of Vermont, b. Litchfield (?), Conn. He had some schooling a...