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.

A description of the massive job facing Diocletian when he assumed the leadership of the Roman Empire, and how he developed the tetrarchy. There is also information about Roman coinage.

This lesson plan provides semester-long activities in which young scholars research and write about selected emperors who ruled Rome during different parts of its history.

Explains some of the reasons the Roman Empire collapsed, how Roman cities and towns fell into ruins, and how barbarian groups took over with there being no strong Roman militia to keep lawlessness in check.