In this entry from Morey's 1901 textbook the decline of the Roman Empire is presented. The Severi emperors ranged from bad to worse, with the exception of Alexander Severus.

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.

In this article from the 1901 textbook by William Morey, you can read that the Roman empire had a period of stability before its further decline.

The reign of Diocletian is discussed in this article from William Morey's 1901 textbook. Check out the chart that shows how the Roman Empire was split into East and West.

In this entry from William Morey's 1901 textbook you will read about Constantine and the changes he made that had a lasting effect on the Roman Empire.