The Roman-Arab Wars, occurring from the 7th to the 8th centuries, were a series of military confrontations between the Byzantine Empire (the eastern remnant of the Roman Empire) and the rapidly expanding Arab forces, stemming from the rise of Islam. Following the death of the Prophet Muhammad in 632 AD, Arab armies began their conquests, swiftly capturing territories in the Middle East, including parts of the Byzantine Empire. Significant battles, such as the Battle of Yarmouk in 636 AD, were pi