531 BC

Millennium:	1st millennium BC
Centuries:	7th century BC 6th century BC 5th century BC
Decades:	550s BC 540s BC 530s BC 520s BC 510s BC
Years:	534 BC 533 BC 532 BC 531 BC 530 BC 529 BC 528 BC

531 BC in various calendars

Gregorian calendar	531 BC DXXXI BC
Ab urbe condita	223
Ancient Egypt era	XXVI dynasty, 134
- Pharaoh	Amasis II, 40
Ancient Greek era	62nd Olympiad, year 2
Assyrian calendar	4220
Balinese saka calendar	N/A
Bengali calendar	−1123
Berber calendar	420
Buddhist calendar	14
Burmese calendar	−1168
Byzantine calendar	4978–4979
Chinese calendar	己巳年 (Earth Snake) 2167 or 1960     — to — 庚午年 (Metal Horse) 2168 or 1961
Coptic calendar	−814 – −813
Discordian calendar	636
Ethiopian calendar	−538 – −537
Hebrew calendar	3230–3231
Hindu calendars
- Vikram Samvat	−474 – −473
- Shaka Samvat	N/A
- Kali Yuga	2570–2571
Holocene calendar	9470
Iranian calendar	1152 BP – 1151 BP
Islamic calendar	1187 BH – 1186 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1803
Minguo calendar	2442 before ROC 民前2442年
Nanakshahi calendar	−1998
Thai solar calendar	12–13
Tibetan calendar	阴土蛇年 (female Earth-Snake) −404 or −785 or −1557     — to — 阳金马年 (male Iron-Horse) −403 or −784 or −1556

The year 531 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 223 Ab urbe condita. The denomination 531 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Deaths

• Laozi, Chinese founder of Taoism (approximate date)