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Assassin

(Encyclopedia)Assassin əsăsˈĭn [key], European name for the member of a secret order of the Ismaili sect of Islam. They are known as Nizaris after Nizar ibn al-Mustansir, whom they supported as caliph; the Euro...

Leo Africanus

(Encyclopedia)Leo Africanus ăfrĭkāˈnəs [key], c.1465–1550, Moorish traveler in Africa and the Middle East. His Arabic name was Al-Hasan ibn Muhammad. Captured by pirates, he was sent as a slave to Pope Leo X...

Sufism

(Encyclopedia)Sufism so͞oˈfĭzəm [key], an umbrella term for the ascetic and mystical movements within Islam. While Sufism is said to have incorporated elements of Christian monasticism, gnosticism, and Indian m...

Witelo of Silesia

(Encyclopedia)Witelo of Silesia or Vitelo, c.1230–75, Silesian physicist, philosopher, and theologian. He studied in Paris and Padua and spent time at the papal palace in Viterbo, Italy. His ten-volume work on op...

Abu Dhabi

(Encyclopedia)Abu Dhabi äˈbo͞o ᵺäˈbē, zä–, dä– [key], Arab. Abu Zabi, sheikhdom, c.26,000 sq mi (67,300 sq km), part of the federation of seven United Arab Emirate...

Abd al-Malik

(Encyclopedia)Abd al-Malik äbˌdo͝ol-mälĭkˈ [key], c.646–705, 5th Umayyad caliph (685–705); son of Marwan I. At his accession, Islam was torn by dissension and threatened by the Byzantine Empire. With the ...

Abd al-Qadir

(Encyclopedia)Abd al-Qadir: see Abd al-Kader.

Abd al-Rahman

(Encyclopedia)Abd al-Rahman. For Muslim rulers thus named, use Abd ar-Rahman.

Abd al-Hamid I

(Encyclopedia)Abd al-Hamid I Turk. äbdülˈhämēdˈ [key], 1725–89, Ottoman sultan (1774–89), brother and successor of Mustafa III. His reign, one of decline for the Ottoman Empire (Turkey), saw the end of th...

Abd al-Kader

(Encyclopedia)Abd al-Kader äbˌdäl-kädērˈ [key], c.1807–1883, Algerian military and religious leader. Although born to an anti-Turkish family, he was chosen emir of Mascara to fight the French invaders who h...