But in in April 311 he issued the general edict of toleration , from Nicomedia in his own name and in those of Licinius and Constantine . It was at the insistence of Galerius that the last edicts of persecution against the Christians were published , beginning on February 24 , 303 , and this policy of repression was maintained by him until the appearance of the general edict of toleration , issued from Nicomedia in April 311 , apparently during his last bout of illness , in his own name and in those of Licinius and Constantine ( see Edict of Toleration by Galerius ) .