The Abbasid Caliphate
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The Abbasids

In 750 AD, the Abbasid caliphs murdered all of the surviving Umayyad men but one, and took over ruling the Islamic Empire. The Abbasids were less interested in the Mediterranean coast than the Umayyads had been, and the Abbasids therefore tended to concentrate more on the plains of Iraq and Iran, and less on the coast: Israel, Syria, and Lebanon, and Egypt. But towards the east, the Abbasids quickly came up against the Tang Dynasty Chinese, who were also expanding their empire at this time. Though the Arabs won a great battle against the Chinese in 751, near Samarkand in Central Asia, the border stayed about the same from then on.

In 762 AD the Abbasids moved their capital east from Damascus in Syria to the new city of Baghdad (the h is silent) in Iraq (which is still the capital of Iraq today). This shift can be seen as another example of the West Asian conflict between an orientation toward the land and an orientation toward the sea.
Baghdad was soon a big international city, where people spoke Aramaic, Arabic, and Persian. Many different groups of people lived there: Arabs, Persians, Jews, and Greeks. Many different gods were worshipped: there were Christians, Jews, and Zoroastrians, in addition to the Islamic majority. By the 800s Baghdad probably had nearly half a million people (that is half as big as Rome during the Roman Empire), and was the largest city in the world outside of China.

The one surviving Umayyad man fled from Damascus around the Mediterranean to Spain, where he founded the Umayyad Caliphate of Spain, and he and his successors ruled Spain for many years.
The Abbasids ruled all of West Asia and North Africa from 750 AD . About 830, they conquered Sicily and southern Italy, too. They held on to most of the Mediterranean Sea until about 1000, when they began to weaken. First North Africa broke away and formed independent kingdoms under the Fatimids. Then gradually the governors of each province - like the Samanids - began to act more and more independently, and the Turkish generals of the armies became less and less under the control of the Caliphs. The Seljuk generals began to take over, and by 1055 the Abbasid caliphs didn't really have any power anymore. The successes of the First Crusade in 1096 in taking over Jerusalem and much of Israel and Lebanon are due largely to the gradual decline of Abbasid power. Then about 1100 AD, the Normans conquered Italy and Sicily. In 1258 AD the Abbasid dynasty ended.

Learn by doing: build the Samarra minaret out of sand
Go on to the Seljuks

Bibliography and further reading about the Abbasids:

or this article in the Encyclopedia Britannica

More Islamic History
Main Islam page

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Karen Carr is Associate Professor Emerita, Department of History, Portland State University. She holds a doctorate in Classical Art and Archaeology from the University of Michigan. Follow her on Instagram or Twitter, or buy her book, Vandals to Visigoths.
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  • Carr, K.E. . Study Guides, . Web. 27 April, 2017