631 BC

Millennium:	1st millennium BC
Centuries:	8th century BC – 7th century BC – 6th century BC
Decades:	660s BC 650s BC 640s BC – 630s BC – 620s BC 610s BC 600s BC
Years:	634 BC 633 BC 632 BC – 631 BC – 630 BC 629 BC 628 BC

Politics
631 BC by topic
State leaders Sovereign states
Categories
Births Deaths Establishments Disestablishments

631 BC in other calendars
Gregorian calendar	631 BC
Ab urbe condita	123
Ancient Egypt era	XXVI dynasty, 34
- Pharaoh	Psamtik I, 34
Ancient Greek era	37th Olympiad, year 2
Assyrian calendar	4120
Bengali calendar	−1223
Berber calendar	320
Buddhist calendar	−86
Burmese calendar	−1268
Byzantine calendar	4878–4879
Chinese calendar	己丑年 (Earth Ox) 2066 or 2006 — to — 庚寅年 (Metal Tiger) 2067 or 2007
Coptic calendar	−914 – −913
Discordian calendar	536
Ethiopian calendar	−638 – −637
Hebrew calendar	3130–3131
Hindu calendars
- Vikram Samvat	−574 – −573
- Shaka Samvat	N/A
- Kali Yuga	2471–2472
Holocene calendar	9370
Iranian calendar	1252 BP – 1251 BP
Islamic calendar	1290 BH – 1289 BH
Julian calendar	N/A
Korean calendar	1703
Minguo calendar	2542 before ROC 民前2542年
Thai solar calendar	−88 – −87

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Events

Cyrene, a Greek colony in present-day Libya, North Africa, is founded (approximate date).
Sadyattes becomes king of Lydia.