On the same day Diocletian at Nicomedia and Herculius at Milan lay aside the imperial insignia and become private citizens. (Eutropius, Breviarium Eutr. 9.27)
Southern Europe (5)
In the 20th year of his reign Diocletian lays down the government, and Herculius, whom he had to persuade with difficulty, follows. (Aurelius Victor, De Caesaribus Aur. Vict. Caes. 39.48)
Constantine escapes from Galerius's custody, killing the post horses to prevent pursuit, and reaches Britain. (Aurelius Victor, De Caesaribus Aur. Vict. Caes. 40.2)
Diocletian spends his old age as a private citizen at a villa near Salonae, dies there and is deified. (Eutropius, Breviarium Eutr. 9.28)
Diocletian steps down from emperor to private citizen and Maximian follows; the Secular Games were afterward neglected and the empire declined, says Zosimus. (Zosimus, New History Zos. 2 (1814 영역) p.39)
To reach his father, Constantine heads for Britain, maiming the post horses at each roadside station to prevent pursuit. (Zosimus, New History Zos. 2 (1814 영역) p.40)