670 BC

Calendar year

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

Politics
670 BC by topic
State leaders Political entities
Categories
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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	−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.