Practice your math facts with these flashcards. Find addition, subtraction, multiplication and division flashcards, from basic math facts to 3-digit problems. Additionarrow…
(Encyclopedia) Mahmud II, 1784–1839, Ottoman sultan (1808–39), younger son of Abd al-Hamid I. He was raised to the throne of the Ottoman Empire (Turkey) upon the deposition of his brother, Mustafa IV…
(Encyclopedia) UmayyadUmayyad&oomacr;mäˈyäd [key], the first Islamic dynasty (661–750). Their reign witnessed the return to leadership roles of the pre-Islamic Arab elite, and the rejuvenation of…