Although the bibliography on the Augustan age is overflowing, if there is a cloudy area, it concerns the character of Drusus, who died in his thirties after conquering the whole of Germany from the Rhine to the Elbe. A shadow zone certainly determined by the loss of the most recent decades of Livy’s work and by the wreckage of treatises on the bella Germanica; but, above all, to be charged to the mala voluntas of Tiberius, the elder, who, envious of the achievements of Drusus, suggested, having become monarch, a rewriting of the history of the deeds that subordinated his own glory to his own.