Year 19 (XIX) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Roman Empire Maroboduus, king of the Marcomanni,'s deposed by Catualda. This ends the threat to the Romans from German tribes until the reign of Marcus Aurelius. Rome places them under its protection. Julius Caesar Germanicus (33), Roman commandant of the Rhine legions and the best loved of Roman princes, dies of poisoning. On his deathbed he accuses Piso, the gove… (More on 19)