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As-Saffah becomes the first caliph of the Abbasid Caliphate
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Abdul Rahman established the Umayyad State in Spain
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Defeat of the Abbasids in Spain
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Khariji state established by Ibn Madrar at Sijilmasa
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Harun al-Rashid becomes fifth Abbasid Caliph
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Abbasid invasion of Southern France
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Abbasid invasion of Asia Minor
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Death of Harun al-Rashid. Al Amin becomes the sixth caliph
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Great Abbasid Civil War between Al-Amin and Al-Mamun
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Death of Al-Amin. Al-Mamun becomes seventh caliph
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Al-Khwarizmi writes a book on algebra for public use
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Mahmood Ghaznavi captures Multan and Ghur
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Baghdad is conquered by Seljuk Turks
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Christians capture Toledo, Spain in Siege of Toledo
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Norman Conquest of Sicily ends Muslim rule in Sicily
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Beginning of First Crusade
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Crusaders capture Jerusalem
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Imam-ud Din capture Edessa, starting the Second Crusade
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Saladin captures Jerusalem, starting the Third Crusade
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Mongols sack Baghdad, ending the Abbasid Caliphate