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Omdurman

(Encyclopedia)Omdurman ŏmdərmänˈ [key], Arab. Umm Durman, city (1993 pop. 1,271,403), E central Sudan, on the White Nile opposite Khartoum. It is the largest city and chief commercial center of Sudan and part o...

Bornu

(Encyclopedia)Bornu bôrˈno͞o [key], former Muslim state, mostly in NE Nigeria, extending S and W of Lake Chad. It began its existence as a separate state in the late 14th cent. From the 14th to the 18th cent. Bo...

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...

Ahmed I

(Encyclopedia)Ahmed I äˈmĕd [key], 1589–1617, Ottoman sultan (1603–17), son and successor of Muhammad III to the throne of the Ottoman Empire. The chief event of his reign was the Treaty of Zsitvatorok (1606...

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 ...

Mahdi, Sadiq al-

(Encyclopedia)Mahdi, Sadiq al-, 1936–2020, Sudanese political and religious leader. A descendent of Muhammad Ahmad (see Mahdi), Mahdi succeeded (1964) to the leadership of the Ansar, the Sufi order (see Sufism) f...

Sanusi

(Encyclopedia)Sanusi or Senussi both: səno͞oˈsĭ [key], Arabic Sanusiyya, a political-religious organization in Libya and Sudan founded in Mecca in 1837 by Muhammad bin Ali al-Sanusi (1791–1859), known as the ...

Phillips, Wendell

(Encyclopedia)Phillips, Wendell, 1811–84, American reformer and orator, b. Boston, grad. Harvard (B.A., 1831; LL.B., 1834). He was admitted to the bar in 1834 but, having sufficient income of his own, he abandone...

alabaster

(Encyclopedia)alabaster, fine-grained, massive, translucent variety of gypsum, a hydrous calcium sulfate. It is pure white or streaked with reddish brown. Alabaster, like all other forms of gypsum, forms by the eva...

Hafiz

(Encyclopedia)Hafiz häfēzˈ [key] [Arab.,=one who has memorized the Qur'an], 1319–1389?, Persian lyric poet, b. Shiraz. His original name was Shams al-Din Muhammad. He acquired the surname from having memorized...