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Mustafa

(Encyclopedia)Mustafa or Kara Mustafa mo͝ostäfäˈ [key] [Turk. kara=black], d. 1683, Turkish grand vizier (chief executive officer) under Sultan Muhammad IV of the Ottoman Empire (Turkey). He succeeded his brot...

Vlad IV

(Encyclopedia)Vlad IV, 1431?–1476, prince of Walachia (1448, 1456–62, 1476), known as Vlad the Impaler. He was the son of Prince Vlad Dracul (Vlad the Devil) and is therefore also called Dracula or son of the D...

Umar

(Encyclopedia)Umar ōˈmär [key], c.581–644, 2d caliph (see caliphate). At first hostile to Islam, he was converted by 618, becoming an adviser to Muhammad. He succeeded Abu Bakr as caliph without opposition in ...

Yemen

(Encyclopedia)CE5 Yemen yĕmˈən [key], officially Republic of Yemen, republic (2015 est. pop. 26,916,000), 207,300 sq mi (535,800 sq km), SW Asia, at the southern edge of the Arabian peninsula. The present nat...

Lockerbie

(Encyclopedia)Lockerbie lŏkˈərbē [key], village (1991 pop. 3,892), Dumfries and Galloway, S Scotland, site of a 1988 airplane crash. On Dec. 21, 1988, a New York–bound Pan Am Boeing 747 exploded in flight as ...

inoculation

(Encyclopedia)inoculation, in medicine, introduction of a preparation into the tissues or fluids of the body for the purpose of preventing or curing certain diseases. The preparation is usually a weakened culture o...

Arsaces

(Encyclopedia)Arsaces ärˈsəsēz [key], fl. 250 b.c., founder of the Parthian dynasty of the Arsacids, which ruled Persia from c.250 b.c. to a.d. 226. Arsaces led a successful revolt against Antiochus II of Syria...

Izvolsky, Aleksandr Petrovich

(Encyclopedia)Izvolsky, Aleksandr Petrovich əlyĭksänˈdər pētrôˈvĭch ēzvôlˈskē [key], 1856–1919, Russian diplomat instrumental in fostering the Triple Entente with France and Great Britain. He rose in...

Saffarid

(Encyclopedia)Saffarid säˈfärĭd [key], a dynasty of Sistan that flourished in the 9th cent., ruling (867–1495) in E Persia. Its founder, Yaqub ibn Layth, d. 879?, was a coppersmith who raised an army during a...

Sistan

(Encyclopedia)Sistan sā– [key], border lowland region of SW Afghanistan and E Iran, c.6,000 sq mi (15,540 sq km), fed mainly by the spring flood of the Helmand River and other streams. At low water, the region i...