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Union, Act of

(Encyclopedia)Union, Act of. For the union of England and Scotland (1707), see Great Britain; for the union of Ireland (1800) with Great Britain, see Ireland. ...

Gelon

(Encyclopedia)Gelon jēˈlŏn [key], d. 478 b.c., Greek Sicilian ruler. As tyrant of Gela, his native city, he interfered in the struggle for power in Syracuse (485 b.c.) and made himself the leader of the popular ...

Shuvalov, Piotr Andreyevich, Count

(Encyclopedia)Shuvalov, Piotr Andreyevich, Count pyôˈtər əndrāˈəvĭch sho͞oväˈləf [key], 1827–89, Russian administrator and diplomat. An adviser to Czar Alexander II, he opposed the czar's reforms and ...

Brunel, Sir Marc Isambard

(Encyclopedia)Brunel, Sir Marc Isambard ĭzˈəmbärdˌ bro͞onĕlˈ [key], 1769–1849, British engineer and inventor. Born in France, he came to the United States in 1793 as a royalist refugee. He became chief en...

Highlands

(Encyclopedia)Highlands, mountain region in the northern extremity of Scotland. It consists roughly of the Scottish area north of the imaginary line from Dumbarton to Stonehaven excluding the Orkneys, the Shetlands...

Northern Territory

(Encyclopedia)Northern Territory, territory (2016 pop. 228,833), 520,280 sq mi (1,347,525 sq km), N central Australia. It is bounded on the N by the Timor Sea, the Arafura Sea, and the Gulf of Carpentaria. Darwin i...

post-traumatic stress disorder

(Encyclopedia)post-traumatic stress disorder (PTSD), mental disorder that follows an occurrence of extreme psychological stress, such as that encountered in war or resulting from violence, childhood abuse, sexual a...

Ethiopian Highlands

(Encyclopedia)Ethiopian Highlands, rugged plateau region of E Africa, covering about two thirds of Ethiopia. It is divided into two massifs by the Great Rift Valley; the Amhara, or Ethiopian Plateau, is the larger ...

Appalachian Mountains

(Encyclopedia)Appalachian Mountains ăpəlāˈchən, –chēən, –lăchˈ– [key], mountain system of E North America, extending in a broad belt c.1,600 mi (2,570 km) SW from the Gaspé Peninsula in Quebec prov....

Speed, John

(Encyclopedia)Speed, John, 1552?–1629, English historian and cartographer. He abandoned his trade as a tailor to engage in mapmaking. Many of his maps of parts of England and Wales were published in The Theatre o...