Sejanus Downfall and Execution

Lucius Aelius Sejanus, the powerful prefect of the Praetorian Guard, was arrested and executed after losing favor with Emperor Tiberius. His fall marked a dramatic shift in Roman imperial politics, as Sejanus had accumulated vast influence and was suspected of plotting to seize power.

Sejanus' downfall occurred after Tiberius became wary of his ambitions, leading to the purge of his allies and supporters. This event significantly weakened the Praetorian Guard's autonomy and strengthened Tiberius' direct control over Rome.

The execution took place in Rome, and it signified the dangers of court intrigue during the early Roman Empire. Sejanus' demise was a pivotal moment in the consolidation of imperial authority under Tiberius.