October 7
Birth of Drusus Julius Caesar to Tiberius and Agrippina.
Drusus married to his cousin Livilla.
Drusus serves in the office of quaestor.
September 18
Drusus sent to deal with rebelling legions on the Rhein who had not received promised bonuses from his father Tiberius.
September 26
Drusus reaches the Pannonian legions, arranges a peace with them, and executes their leaders.
Drusus holds the consulship.
Drusus is appointed governor of Illyricum.
Drusus attacks the Marcomanni and storms their stronghold.
October 10
Birth of twin sons Tiberius Gemellus and Germanicus Gemellus to Drusus and Livilla.
October 10
Germanicus dies from illness or poison and Drusus becomes the new heir.
Tiberius mentions the Praetorian prefect Sejanus to the Senate in equal terms to Drusus, which alarms the latter.
May 28
The Senate votes Drusus an ovation for his success in Illyricum and with the Marcomanni.
Drusus holds the consulship with his father Tiberius.
April
Drusus receives the very high honor of tribunicia potestas.
The Praetorian prefect Sejanus engages in an affair with Livillia, the wife of Drusus.
September 14
At the urging of Sejanus, Livillia poisons her husband Drusus and kills him.