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Germanicus, a Roman general, feuded with Gnaeus Calpurnius Piso, the governor of Syria, in the eastern provinces. Piso was jealous of Germanicus's popularity and his success in the war against the Parthians. He tried to undermine Germanicus's reputation by spreading rumors about him. Germanicus died under mysterious circumstances in 19 AD, and many people believe that Piso was responsible for his death.