What if PERSIA Conquered The ROMAN EMPIRE?

Between the years 602 and 628 the Sassanid Persian Empire and the conracted Eastern Roman Empire would clash in one of the most continous wars in the history of both empires. This conflict will permenantly change world history. Following the end of this war a new power would arise in the deserts of Arabia - the Islamic Empire, which would take advantage of the two tired Roman and Persian and conquer most of their weakened provinces. However, what if this never occured. What if the Persians won the war at the beggining and defeated their eternal enemy -the Roman Empire. This alternate history video explores such a timeline.