The city of Ravenna was conquered by the Byzantine Empire in 540. This city served as a base for their further conquests in to Italy.
The Arabs conquered Egypt from the Byzantine Empire in the mid-640s C.E.
Okay, before I answer, next time, LISTEN in class.Answer:It was difficult for the Byzantine Empire to hold onto Justinian's conquest because there wasn't enough money, and he had conquered to much, too quickly.-Anonymous
The Ottoman Turks in 1453 AD.
Mehemed the second of the Ottoman empire
constantinople
The Ottoman Empire conquered Greece in the 1400s.
Assyria conquered Israel, then Babylon conquered Assyria and Judah, then Persia conquered Babylon, then the Seuclid Empire conquered Judah, then the Judeans revolted, then Rome conquered Judah, then the Islamic Caliphate conquered the Byzantine Empire (the remains of the Roman Empire). The Ottoman Empire conquered Judah from the Cusaders who had conquered it from its Islamic rulers. Then the British Empire took it from the Ottomans.
Ottoman Turks.
Through Trade and Conquest.
Francisco Pizarro conquered the Inca's.
The Arab conquest of Byzantine Syria, Phoenicia (Lebanon), Palestine and Egypt contributed the decline of the Byzantine Empire. So did the conquest of much of what is now Turkey by the Seljuk Turks and the conquest of much of the Balkan Peninsula (southeastern Europe) by the Slavs. The Arabs and the Turks were and still are Muslims.
Barbarians did not weaken the Byzantine Empire. The Byzantine Empire was the eastern half of the Roman Empire that continued to thrive while its western counterpart ceased to exist due to Barbarian conquests. The Byzantine Empire was weakened and conquered by the Turks.