Events

By place

Roman Empire

• Emperor Diocletian issues his Edict on Maximum Prices, which, rather than halting rampant inflation and stabilizing the economy, adds to inflationary pressures by flooding the economy with new coinage and by setting price limits too low.

Armenia

• Armenia becomes the first nation to accept Christianity as a state religion.

Europe

• September 3—The republic of San Marino is established (traditional date).

Asia

• Sima Lun briefly usurps the Jin Dynasty.

Births

Deaths

• June 5—Sima Lun, Chinese usurper