towards the end of the 3rd century bce, the romans invaded the balkan peninsula. illyria was taken over in 9 ce. the north and east of macedonia were taken over by the roman empire in the year 29 ce. they became the roman province of moesia. starting in the 3rd century ce, the borders of macedonia were being attacked by the goths, huns, bulgars, avars, and others. in 395 ad, the roman empire split in two. they were the western roman empire and the eastern roman empire (byzantine empire).