Barbarian peoples—Swabians, Vandals, Alans, Visigoths, Franks, and Burgundians—cross the border into the Western Roman Empire to settle. At times they put themselves at the service of Rome.

beset by enemies inside and out, and possibly even dying. The year is 363 AD, and the Roman Empire has split into two parts ruled from the cities of Rome (for the Western Empire) and Constantinople ...