297 CE
Domitius Domitianus launches a usurpation against Diocletian in Egypt. He is perhaps aided by popular discontent with Diocletian's taxation reform. Domitianus dies, but his corrector Aurelius Achilleus takes over as the leader of the rebellion. Battle of Satala: Galerius launches a surprise attack against Narseh's camp in western Armenia. The Romans sack the camp and capture Narseh's wives, sisters and daughters, including his Queen of Queens Arsane. Narseh is wounded and escapes to his empire.
Conflict & Security
- Battle of Satala: Galerius launches a surprise attack against Narseh's camp in western Armenia. The Romans sack the camp and capture Narseh's wives, sisters and daughters, including his Queen of Queens Arsane. Narseh is wounded and escapes to his empire.source
- Diocletian watches over the Syrian provinces while Caesar Galerius makes preparations for a campaign against the Persian king Narseh. He recruits veterans from Illyria and Moesia, recruits new soldiers, and strengthens his army with Gothic mercenaries and the Armenian units of Tiridates III.source
- Autumn: Diocletian besieges the rebels in Alexandria, Egypt.source
Economy & Finance
- Emperor Diocletian introduces a new tax system and other economic reforms.source
Crime & Justice
- August: Domitius Domitianus launches a usurpation against Diocletian in Egypt. He is perhaps aided by popular discontent with Diocletian's taxation reform.source