It was written after the death of Constantine I in 337 (it is explicitly stated that Constantine was dead when the work was written) and before the fall of the Western Roman Empire in 476.
Karya tersebut ditulis setelah kematian Konstantinus I pada 337 (secara eksplisit menyatakan bahwa Konstantinus meninggal saat karya tersebut ditulis) dan sebelum kejatuhan Kekaisaran Romawi Barat pada 476.