657 BC

Millennium:	1st millennium BC
Centuries:	8th century BC – 7th century BC – 6th century BC
Decades:	680s BC  670s BC  660s BC  – 650s BC –  640s BC  630s BC  620s BC
Years:	660 BC 659 BC 658 BC – 657 BC – 656 BC 655 BC 654 BC

657 BC in other calendars

Gregorian calendar	657 BC DCLVI BC
Ab urbe condita	97
Ancient Egypt era	XXVI dynasty, 8
- Pharaoh	Psamtik I, 8
Ancient Greek era	30th Olympiad, year 4
Assyrian calendar	4094
Bengali calendar	−1249
Berber calendar	294
Buddhist calendar	−112
Burmese calendar	−1294
Byzantine calendar	4852–4853
Chinese calendar	癸亥年 (Water Pig) 2040 or 1980     — to — 甲子年 (Wood Rat) 2041 or 1981
Coptic calendar	−940 – −939
Discordian calendar	510
Ethiopian calendar	−664 – −663
Hebrew calendar	3104–3105
Hindu calendars
- Vikram Samvat	−600 – −599
- Shaka Samvat	N/A
- Kali Yuga	2445–2446
Holocene calendar	9344
Iranian calendar	1278 BP – 1277 BP
Islamic calendar	1317 BH – 1316 BH
Julian calendar	N/A
Korean calendar	1677
Minguo calendar	2568 before ROC 民前2568年
Thai solar calendar	−114 – −113

Events

Asia Minor

• King Gyges of Lydia establishes a state monopoly in metal coinage, making it illegal for individuals to issue the bean-shaped lumps of electrum used as a medium of exchange in place of commodities (approximate date).

Greece

• Cypselus becomes the first tyrant of Corinth.

China

• The Li Ji Unrest, a series of events that ends in 651 BC, initiates when Li Ji, the concubine of Duke Xian of Jin, attempts to have her son Xiqi placed on the throne of Jin.