Samanid, Muslim Persian dynasty that ruled (819–1005) in Khorasan and Transoxiana Ismail, shah of Persia (1502–24), founder of the Safavid dynastyTahmasp, shah of Persia (1524–76)Abbas I, shah of…
World News | Business/Science News Here are the key events in United States news for the month of February, 2009. Serena Williams, Rafael Nadal Win Australian Open (…
Each year the organization American Rivers analyzes the condition of the nation's rivers to determine which are the most “endangered.” Threats to these rivers include dams and channelizations that…