It is likely to have evolved over time, with some features not appearing until the late Empire.
The size of the army in the late Roman Empire was about 128,000 - 179,200 men.
They entered the late Roman Empire during the 5th century.
But as in the late Empire, archery was extensively practiced.
A similar system was used in the rural parts of the late Roman Empire.
Some historians believe a form of this glass was first made in the late Roman Empire.
Some examples have remained above ground from the late Roman Empire.
In the army of the late Roman Empire, cavalry played an increasingly important role.
The term glass developed in the late Roman Empire.
Such reserves were only re-established during the late Empire, when the army was split into a border defense force and mobile response field units.