657 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
Years:	660 BC 659 BC 658 BC 657 BC 656 BC 655 BC 654 BC

657 BC in various calendars

Gregorian calendar	657 BC DCLVII 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
Balinese saka calendar	N/A
Bengali calendar	−1249
Berber calendar	294
Buddhist calendar	−112
Burmese calendar	−1294
Byzantine calendar	4852–4853
Chinese calendar	癸亥年 (Water Pig) 2041 or 1834     — to — 甲子年 (Wood Rat) 2042 or 1835
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	2444–2445
Holocene calendar	9344
Iranian calendar	1278 BP – 1277 BP
Islamic calendar	1317 BH – 1316 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1677
Minguo calendar	2568 before ROC 民前2568年
Nanakshahi calendar	−2124
Thai solar calendar	−114 – −113
Tibetan calendar	阴水猪年 (female Water-Pig) −530 or −911 or −1683     — to — 阳木鼠年 (male Wood-Rat) −529 or −910 or −1682

The year 657 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 97 Ab urbe condita . The denomination 657 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.

Events

By place

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.