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Historical ConflictAriminum

Siege of Ariminum

The Byzantine relief of Ariminum in 538 forced the Ostrogoths to abandon their siege and retreat to Ravenna, altering the course of the Gothic War.

Duration & Scope

538 ongoing

< 1 year

Key Facts

Year
538 AD
Siege lifted
24 July 538
Gothic withdrawal destination
Ravenna
Siege began
March 538
Duration of siege
Approximately 4 months

Strategic Narrative Overview

The Goths failed to take Ariminum by assault and settled into a blockade to starve the garrison. Byzantine leadership was divided over rescuing the insubordinate John, but Chamberlain Narses persuaded Belisarius that John's capture would embolden the enemy. Belisarius devised a coordinated approach, splitting his forces into multiple columns advancing by land and sea simultaneously to create the illusion of a far superior Byzantine army.

01 / The Origins

During the Ostrogothic siege of Rome in 537–538, Byzantine general Belisarius dispatched John the Sanguinary to raid Picenum. John exceeded his orders and seized Ariminum, strategically close to the Gothic capital Ravenna. This bold move compelled the Ostrogoths under King Vitiges to fear for their capital, prompting them to abandon the siege of Rome and redirect their forces northward to besiege Ariminum in March 538.

03 / The Outcome

The near-simultaneous convergence of Byzantine forces from multiple directions unnerved the Gothic besiegers. Vitiges abandoned the siege on 24 July 538 and withdrew to Ravenna without battle. Although a Byzantine success, John's defiance deepened divisions within the Byzantine command, fracturing the leadership's unity and complicating the subsequent conduct of the Gothic War in Italy.

Belligerents & Mobilization Analysis

Side A

1 belligerent

Ostrogoths
Key Commanders

Vitiges.

Side B

1 belligerent

Byzantine Empire
Key Commanders

Belisarius, John the Sanguinary, Narses.

Outcome
Byzantine relief force broke the Gothic siege; Ostrogoths withdrew to Ravenna on 24 July 538

Kinetic Engagement Axis

Major engagements timeline (538–present)Timeline of major military engagements plotted chronologically.538present538Siege of AriminumSide B

Scroll horizontally to view full axis. Events plotted relatively.

Side A victorySide B victoryInconclusiveDecisive / turning point

Location

Map of Rimini, ItalyMap of Rimini, ItalyRimini, Italy