April: Galerius concedes his presecution of the Christians a failure; Maximinus Daia continues Christian presecution within his territories.
Galerius dies, late April or early May, of disease in Nicomedia. Constantine, Maxentius, Licinius and Maximinus Daia remain in power, all as Augusti.
25 July Contantine at Trier.
Maxentius (in Rome) vows to avenge his father's death at Constantine's hand; a subservient Roman Senate deifies Maxentius.