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

640 BC in other calendars

Gregorian calendar	640 BC DCXXXIX 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

Events

Middle East

• 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.

Births

• Pittacus of Mytilene, one of the Seven Sages of Greece (approximate date)
• Stesichorus, Greek lyric poet (approximate date)

Deaths

• Argaeus I, king of Macedonia (approximate date)
• Teispes, son of Achaemenes and ancestor of Cyrus the Great