General
Population: Between 190 and 230 million*
- Religion: Pope Dionysus appointed
- Deaths: Emperor Valerian
Asia
- General: Chinese Buddhists begin pilgrimages to India
Europe
- General: Gallic Empire begins covering most of France and Britain to 274
Goths reach Black Sea,
- Roman Empire: Shapur I of Persia captures Valerian in battle and Valerian dies in captivity, Gallienus emperor of Rome and period of Thirty Tyrants as pretenders to the throne (or 260)
- Wales: Famine in Wales causes populace to eat tree bark and they "pined" to death
Middle East
- Persia: Sasanians captureemperor Valerian at Edessa