800s conflicts

campaigns and insurrections (772–804) between the Carolingian Empire and Saxons in what is now northwestern Germany; resulted in the incorporation of Saxony into the Frankish realm and their forcible conversion from Germanic paganism to Catholicism

battle in the Arab–Byzantine Wars

Khurasani Arab noble and rebellion leader from 806 to 809

series of military operations launched by the Abbasid Caliphate in 806 against the Byzantine Empire.

809 siege

800-801 siege, part of the Reconquista

805 or 807 military campaign involving Slavic tribes and the Byzantine empire