Year of the Five Emperors (193 AD)

Claimants

• Pertinax — a senior senator and general proclaimed emperor in Rome following the murder of his predecessor; his hold on power was brief.
• Didius Julianus — purchased the emperorship in an infamous auction by the Praetorian Guard in Rome.
• Pescennius Niger — governor of Syria who was proclaimed emperor by his eastern legions.
• Clodius Albinus — governor of Britain and later Gaul, a powerful western contender.
• Lucius Septimius Severus — commander of the Danubian legions who marched on Rome and ultimately secured supremacy.

Events unfolded rapidly. After a short and unstable reign in Rome, the local soldiers killed Pertinax. The Praetorian Guard then offered the throne to the highest bidder, leading to Didius Julianus's controversial accession. Provinces and legions reacted by proclaiming their own leaders, turning the contest into a multi-front civil war.

Conflict and resolution

Severus moved swiftly from the north, entered Rome, and executed Julianus. He then directed military campaigns against the eastern claimant Pescennius Niger and later faced Clodius Albinus in the west. Through a series of battles and maneuvers over the following years, Severus defeated his rivals and consolidated power, founding what historians call the Severan dynasty.

Significance and legacy

The crisis of 193 emphasised the army's decisive role in making and unmaking emperors and encouraged emperors to rely more on military support and provincial power bases. It also marked a shift toward stronger autocratic rule under Severan emperors and had lasting effects on imperial administration, military pay, and provincial governance. The term itself echoes the earlier "Year of the Four Emperors" (69 AD), highlighting recurring vulnerabilities in Roman succession during the principate.