The affair with Sejanus and the final…

The affair with Sejanus and the final years of treason trials have permanently damaged Tiberius' image and reputation.

After Sejanus's fall, Tiberius' withdrawal from Rome is complete; the empire continues to run under the inertia of the bureaucracy established by Augustus, rather than through the leadership of the Princeps.

Suetonius records that he became paranoid, and spent a great deal of time brooding over the death of his son.

A shortage of grain in 32 leads to public protests in Rome.

Meanwhile, during this period a short invasion by Parthia, incursions by tribes from Dacia and from across the Rhine by several Germanic tribes occur.