640 BC

Millennium:	1st millennium BC
Centuries:	8th century BC – 7th century BC – 6th century BC
Decades:	670s BC 660s BC 650s BC – 640s BC – 630s BC 620s BC 610s BC
Years:	643 BC 642 BC 641 BC – 640 BC – 639 BC 638 BC 637 BC

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

640 BC in other calendars
Gregorian calendar	640 BC
Ab urbe condita	114
Ancient Egypt era	XXVI dynasty, 25
- Pharaoh	Psamtik I, 25
Ancient Greek era	35th Olympiad (victor)¹
Assyrian calendar	4111
Bengali calendar	−1232
Berber calendar	311
Buddhist calendar	−95
Burmese calendar	−1277
Byzantine calendar	4869–4870
Chinese calendar	庚辰年 (Metal Dragon) 2057 or 1997 — to — 辛巳年 (Metal Snake) 2058 or 1998
Coptic calendar	−923 – −922
Discordian calendar	527
Ethiopian calendar	−647 – −646
Hebrew calendar	3121–3122
Hindu calendars
- Vikram Samvat	−583 – −582
- Shaka Samvat	N/A
- Kali Yuga	2462–2463
Holocene calendar	9361
Iranian calendar	1261 BP – 1260 BP
Islamic calendar	1300 BH – 1299 BH
Julian calendar	N/A
Korean calendar	1694
Minguo calendar	2551 before ROC 民前2551年
Thai solar calendar	−97 – −96

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Events

King Ashurbanipal of Assyria achieves a great victory over Elam. He captures its last king, Khumma-Khaldash III, and lays waste the country.
King Teispes dies after a 35-year reign in which he has ruled the Elamite city of Anshan after being freed from Median supremacy.