This article from Morey's 1901 textbook recounts the attacks on the Roman Empire by the Sassinids from the east and the Germanic barbarians from the north.

William Morey, in his 1901 textbook, tells of the fate of the Roman Empire after the death of Constantine.

In this article from the 1901 textbook by William Morey, you read about the split of Rome into East and West. and the invasions of swarms of barbarians.