Umayyad Military Campaigns against Byzantium (c. 670–740)

1. Cyzicus seized as forward naval base

   Jan 1, 6701Labels: Cyzicus, Umayyad navy

   • Siege 674 678

2. First Arab siege of Constantinople begins

   Jan 1, 6740Labels: First Siege, Umayyad Caliphate

   • Siege 674 678

3. First Arab siege of Constantinople ends

   Jan 1, 6780Labels: First Siege, Byzantine defenses

   • Siege 674 678

4. Battle of Sebastopolis breaks post-680 peace

   Jan 1, 6920Labels: Battle of, Umayyad army

   • Sebastopolis

5. Umayyads defeat Byzantines at Carthage

   Jan 1, 6980Labels: Carthage, Umayyad victory

   • Carthage 698

6. Siege of Tyana captures key Cappadocian city

   Jan 1, 7070Labels: Tyana, Maslama ibn

   • Tyana

7. Maslama invades Asia Minor ahead of Constantinople assault

   Jan 1, 7160Labels: Maslama ibn, Asia Minor

   • Siege 717 718

8. Second Arab siege of Constantinople begins

   Jul 15, 7170Labels: Second Siege, Umayyad fleet

   • Siege 717 718

9. Second Arab siege of Constantinople lifted

   Aug 15, 7180Labels: Second Siege, Siege lifted

   • Siege 717 718

10. Siege of Nicaea repulsed

    Jul 1, 7270Labels: Nicaea, Umayyad army

    • Nicaea 727

11. Khazar victory at Marj Ardabil strains Umayyad resources

    Dec 7, 7300Labels: Marj Ardabil, Khazars

    • Marj Ardabil

12. Byzantines win the Battle of Akroinon

    Jan 1, 7400Labels: Battle of, Leo III

    • Akroinon