| 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. |
