Following the death of the Prophet Mohammed in 632, Arab armies, united under Islam, poured out of their homeland, and soon took Egypt, Syria, and Palestine from the Byzantines; Constantinople was besieged from 674 to 678, but survived because of its defences.
After failing to take the city of Constantinople, Arab armies stopped attacking the Byzantine Empire.
mnli hypothesis: After failing to take the city of Constantinople, Arab armies stopped attacking the Byzantine Empire. premise: Following the death of the Prophet Mohammed in 632, Arab armies, united under Islam, poured out of their homeland, and soon took Egypt, Syria, and Palestine from the Byzantines; Constantinople was besieged from 674 to 678, but survived because of its defences.