One of the main demonstrations in the domain's fall came in 520 when King Kaleb drove a mission against the Jewish Himyaritic King Dhu Nuwas who was mistreating Christians in Yemen. Albeit the Axumite powers won the contention and got Christianity in Yemen (essentially until the appearance of Islam), the long periods of fight over-expanded Axum's riches and labor. Its situation as a monetary and exchanging power was decreased, yet it actually stayed dynamic to a degree. As the primary major Islamic power, the Rashidun Caliphate rose to conspicuousness and vanquished Egypt and the Red Sea around 646 AD. Aksum turned out to be monetarily separated, yet all things considered it remained immovably Christian.