Which empire overthrew the Byzantine Empire and effectively changed the region's religion to Islam?

Sasanian Empire

Spanish Empire

First Persian Empire

Ottoman Empire

The Sasanian Empire overthrew the Byzantine Empire and changed the religion to Islam

Ottoman Empire

Explanation:

The Ottoman Empire was the empire that overthrew the Byzantine Empire and effectively changed the region's religion to Islam. The Ottoman Empire dominated much of Southeast Europe, Western Asia and North Africa between the 14th and early 20th centuries. The Ottoman Empire crossed into Europe in 1354, and conquered the Balkans. They also invaded the Byzantine Empire in 1453, led by Mehmed the Conqueror.