800: The Aghlabid rule is established in North Africa. 
803: Downfall of the Barmakids. Execution of Jafar Barmki. 
805: Campaigns against the Byzantines. Capture of the islands of Rhodes and Cypress. 
809: Death of Harun ur Rashid. Accession of Amin. 
814: Civil war between Amin and Mamun. Amin killed and Mamun becomes the Caliph. 
815: Shia revolt under Ibn Tuba Tabs. 
816: Shia revolt in Makkah; Harsama quells the revolt. In Spain the Umayyads capture the island of Corsica. 
817: Harsama killed. 
818: The Umayyads of Spain capture the islands of Izira, Majorica, and Sardinia. 
819: Mamun comes to Baghdad. 
820: Tahir establishes the rule of the Tahirids in Khurasan. 
822: Death of Al Hakam in Spain; accession of Abdul Rahman. II. 
823: Death of Tahir in Khurasan. Accession of Talha and his deposition. Accession of Abdullah b Tahir. 
827: Mamun declares the Mutazila creed as the state religion. 
833: Death of Mamun. Accession of Mutasim. 
836: Mutasim shifts the capital to Samarra. 
837: Revolt of the Jats. 
838: Revolt of Babek in Azarbaijan suppressed. 
839: Revolt of Maziar in Tabaristan. The Muslims occupy South Italy. Capture of the city of Messina in Sicily. 
842: Death of Mutasim, accession of Wasiq. 
843: Revolts of the Arabs. 
847: Death of Wasiq, accession of Mutawakkil. 
850: Mutawakkil restores orthodoxy. 
849: Death of the Tahirid ruler Abdullah b Tahir; accession of Tahir II. 
852: Death of Abdur Rahman II of Spain;. accession of Muhammad I. 
856: Umar b Abdul Aziz founds the Habbarid rule in Sind. 
858: Mutawakkil founds the town of Jafariya. 
860: Ahmad founds the Samanid rule in Transoxiana. 
861: Murder of the Abbasid Caliph Mutawakkil; accession of Muntasir. 
862: Muntasir poisoned to death; accession of Mutasin. 
864: Zaidi state established in Tabaristan by Hasan b Zaid. 
866: Mutasim flies from Samarra, his depostion and accession of Mutaaz. 
867: Yaqub b Layth founds the Saffarid rule in Sistan. 
868: Ahmad b Tulun founds the Tulunid rule in Egypt. 
869: The Abbasid Caliph Mutaaz forced to abdicate, his death and accession of Muhtadi. 
870: Turks revolt against Muhtadi, his death and accession of Mutamid. 
873: Tahirid rule extinguished. 
874: Zanj revolt in South Iraq. Death of the Samanid ruler Ahmad, accession of Nasr. 
877: Death of Yaqubb Layth in Sistan, accession of Amr b Layth. 
885: Death of Ahmad b Tulun in Egypt, accession of Khamar- wiyiah. 
866: Death of Muhammad I the Umayyad ruler of Spain, accession of Munzir. Death of Abdullah b Umar the Habbari ruler of Sind. 
888: Death of Munzir the Umayyad ruler of Spain, accession of Abbullah. 
891: The Qarmatian state established at Bahrain. 
892: Death of the Samanid ruler Nasr, accession of Ismail. 
894: The Rustamids become the vassals of Spain. 
896: Death of the Tulunid ruler Khamarwiyiah; accession of Abul Asakir Jaish. 
897: Assassination of Abul Asakir Jaish; accession of Abu Musa Harun. 
898: Qarmatians sack Basra.