Gallienus Biography and Timeline

Birth of Gallienus

Birth of Gallienus

Role range: 0260-0268

Succession

Succeeds as co-emperor with his father Valerian from 253 to 260

Role range: 0260-0268

Rule of France

Gallienus loses control over a large part of Gaul

Role range: 0260-0268

Battle of Mediolanum

The Battle of Mediolanum took place in 259, between the Alamannic Germans and the Roman legions under the command of Emperor Gallienus. Emperor Valerian, Gallienus father, was unable to be present in the battlefield, he named his son Gallienus as Emperor, while Valerian was fighting against the Sassanid Empire and the Goths, who by that time had sacked Thrace and Asia Minor

Gallienus Defeats Alamanni Near Milan

Roman forces under Gallienus defeated an Alamannic incursion near Mediolanum during a crisis on the Italian frontier.

Death of Gallienus

Death of Valerian, made public by Gallienus a year later

Role range: 0260-0268

Succession

Succeeds as Emperor of Rome

Role range: 0260-0268

Arrest of Gallienus

Taken prisoner by Sapor, King of Persia while trying to negotiate a peace settlement

Reform of Armed Forces

Establishes a reserve army & a mounted army for dispatch to troubled border regions

Invasion of Italy

Gallienus defeats the Jutes

Role range: 0260-0268

Plague

The plague spreads throughout the Empire

Role range: 0260-0268

Battle of Naissus

Gallienus defeats the Goth invasion. After the Battle of Naissus Gallienus is murdered

Role range: 0260-0268

Assassination of Gallienus

After the Battle of Naissus Gallienus is murdered

Role range: 0260-0268

Death of Gallienus

Death of Gallienus, assassinated

Role range: 0260-0268

Invasion of Italy

The Alamanni invade northern Italy. Gallenius halts the Alamannis progress by defeating them in battle

Invasion of Pannonia

Gallenius halts the Goths progress by defeating them in battle. An invasion of Goths into the province of Pannonia threatens Rome

Alamanni Enter Northern Italy

Alamannic groups penetrated northern Italy during the third century as Rome struggled against simultaneous frontier threats.