231

Millennium:	1st millennium
Centuries:	2nd century – 3rd century – 4th century
Decades:	200s  210s  220s  – 230s –  240s  250s  260s
Years:	228 229 230 – 231 – 232 233 234

231 (CCXXXI) was a common year starting on Saturday of the Julian calendar.

Events

By place

Roman Empire

• Emperor Alexander Severus fights against the Persians.

Asia

• Zhuge Liang starts the fourth of his Northern Expeditions against the state of Cao Wei.

By topic

Religion

• Origen, disciple of Ammonius Saccas, founder of Neoplatonism, is sent away to Caesarea.

Births

• Cao Fang, Emperor of the Kingdom of Wei (d. 274)
• Sun Chen, regent of the Kingdom of Wu (d. 258)

Deaths

• Cao Zhen, general of Kingdom of Wei (b. 185)
• Hua Xin, adviser of Kingdom of Wei (b. 157)
• Li Hui, minister of Kingdom of Shu
• Zhang He, military leader under Cao Cao (b. 167)