April: Galerius concedes his presecution of the Christians a failure; Maximinus Daia continues Christian presecution within his territories.
Galerius dies of disease in Nicomedia. Constantine, Maxentius, Licinius and Maximinus Daia remain in power, all as Augusti.
Maxentius (in Rome) vows to avenge his father's death at Constantine's hand; a subservient Roman Senate deifies Maxentius.
later 311 or early 312: Constantine betroths his half-sister Constantia to Lincinius Augustus, which threatens Maxentius even further.