Roman Army Units in the Western Provinces (3): 4th-5th Centuries AD

A fully illustrated account of the large-scale reformation of the Roman Army from the reign of Diocletian to the fall of the Western Empire in AD 476.

After the 50-year chaos of the mid-3rd century AD, Emperor Diocletian (r. AD 284–305) and his successor, Constantine I (r. AD 306–37), the first Christian emperor, undertook major administrative reforms to reflect new realities and improve defensive strategy. These changes saw the Roman Army completely reorganized, with its old structure of le...