Tetrarchy established
293 · Event
Diocletian formalises rule by four emperors; doubles the army, partitions provinces, and creates the late Roman bureaucracy.
On these timelines: Roman History, Master
More from Roman History
- Fall of Western Roman Empire (476)
- Sack of Rome by Visigoths (410)
- Julius Caesar (100 BCE)
- Roman Republic founded (509 BCE)
- Founding of Rome (traditional) (753 BCE)
- Caesar crosses the Rubicon (49 BCE)
- Augustus (63 BCE)
- Assassination of Julius Caesar (44 BCE)
Around 293
- Edict of Milan (313)
- Council of Nicaea (325)
- Gupta Empire (320)
- Conversion of Constantine (312)
- Sassanid Empire (224)
- Christianity becomes Roman state religion (380)
- Founding of Constantinople (330)
- Reign of Constantine the Great (306)
- Augustine of Hippo (354)
- Classic Maya civilization (250)