670 BC

Millennium:	1st millennium BC
Centuries:	8th century BC 7th century BC 6th century BC
Decades:	690s BC 680s BC 670s BC 660s BC 650s BC
Years:	673 BC 672 BC 671 BC 670 BC 669 BC 668 BC 667 BC
	v t e

670 BC in various calendars

Gregorian calendar	670 BC DCLXX BC
Ab urbe condita	84
Ancient Egypt era	XXV dynasty, 83
- Pharaoh	Taharqa, 21
Ancient Greek era	27th Olympiad, year 3
Assyrian calendar	4081
Balinese saka calendar	N/A
Bengali calendar	−1263 – −1262
Berber calendar	281
Buddhist calendar	−125
Burmese calendar	−1307
Byzantine calendar	4839–4840
Chinese calendar	庚戌年 (Metal  Dog) 2028 or 1821     — to — 辛亥年 (Metal  Pig) 2029 or 1822
Coptic calendar	−953 – −952
Discordian calendar	497
Ethiopian calendar	−677 – −676
Hebrew calendar	3091–3092
Hindu calendars
- Vikram Samvat	−613 – −612
- Shaka Samvat	N/A
- Kali Yuga	2431–2432
Holocene calendar	9331
Iranian calendar	1291 BP – 1290 BP
Islamic calendar	1331 BH – 1330 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1664
Minguo calendar	2581 before ROC 民前2581年
Nanakshahi calendar	−2137
Thai solar calendar	−127 – −126
Tibetan calendar	阳金狗年 (male Iron-Dog) −543 or −924 or −1696     — to — 阴金猪年 (female Iron-Pig) −542 or −923 or −1695

The year 670 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 84 Ab urbe condita . The denomination 670 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

• King Gyges of Lydia mints the first Greek coins.
• Miletus begins establishing colonies in the Black Sea and Mediterranean Sea.