The Abbasid Caliphate once ruled a Golden Age of knowledge and power, but it all came crashing down when Baghdad burned ...

From grand cities to groundbreaking discoveries, the Abbasid Caliphate transformed the Islamic world. Yet, even the most powerful empires must face decline.

More than a millennium ago merchant-informants and officials at the service of the Abbasid caliph, from Baghdad or Basra, put to paper eyewitness accounts of North Europeans (Vikings), Indians ...

Inside the Abbasid palace of Baghdad, built in around 12th century. The caliphates (Islamic states) were governed by a caliph. They were the successors to Muhammad. The first major caliphate was ...