Diocletian appointed Maximian, an old comrade - in - arms, to serve alongside him as second emperor, a second Augustus, with special responsibility in the western part of the empire.
Diocletianus määras Maximianuse, vana relvavenna enda kõrvale teenima teise keisrina, teise Augustusena, kellel oli eriline vastutus impeeriumi lääneosa eest.