680 BC

680 BC in various calendars
Gregorian calendar	680 BC; DCLXXX BC
Ab urbe condita	74
Ancient Egypt era	XXV dynasty, 73
- Pharaoh	Taharqa, 11
Ancient Greek era	25th Olympiad (victor)¹
Assyrian calendar	4071
Balinese saka calendar	N/A
Bengali calendar	−1272
Berber calendar	271
Buddhist calendar	−135
Burmese calendar	−1317
Byzantine calendar	4829–4830
Chinese calendar	庚子年 (Metal Rat); 2018 or 1811; — to —; 辛丑年 (Metal Ox); 2019 or 1812
Coptic calendar	−963 – −962
Discordian calendar	487
Ethiopian calendar	−687 – −686
Hebrew calendar	3081–3082
Hindu calendars
- Vikram Samvat	−623 – −622
- Shaka Samvat	N/A
- Kali Yuga	2421–2422
Holocene calendar	9321
Iranian calendar	1301 BP – 1300 BP
Islamic calendar	1341 BH – 1340 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1654
Minguo calendar	2591 before ROC; 民前2591年
Nanakshahi calendar	−2147
Thai solar calendar	−137 – −136
Tibetan calendar	阳金鼠年; (male Iron-Rat); −553 or −934 or −1706; — to —; 阴金牛年; (female Iron-Ox); −552 or −933 or −1705

Millennium:	1st millennium BC
Centuries:	8th century BC; 7th century BC ; 6th century BC;
Decades:	700s BC; 690s BC; 680s BC ; 670s BC; 660s BC;
Years:	683 BC; 682 BC; 681 BC; 680 BC ; 679 BC; 678 BC; 677 BC;

The year 680 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 74 Ab urbe condita . The denomination 680 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.

Gregorian calendar	680 BC DCLXXX BC
Ab urbe condita	74
Ancient Egypt era	XXV dynasty, 73
- Pharaoh	Taharqa, 11
Ancient Greek era	25th Olympiad (victor )¹
Assyrian calendar	4071
Balinese saka calendar	N/A
Bengali calendar	−1272
Berber calendar	271
Buddhist calendar	−135
Burmese calendar	−1317
Byzantine calendar	4829–4830
Chinese calendar	庚子年 (Metal Rat) 2018 or 1811 — to — 辛丑年 (Metal Ox) 2019 or 1812
Coptic calendar	−963 – −962
Discordian calendar	487
Ethiopian calendar	−687 – −686
Hebrew calendar	3081–3082
Hindu calendars
- Vikram Samvat	−623 – −622
- Shaka Samvat	N/A
- Kali Yuga	2421–2422
Holocene calendar	9321
Iranian calendar	1301 BP – 1300 BP
Islamic calendar	1341 BH – 1340 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1654
Minguo calendar	2591 before ROC 民前2591年
Nanakshahi calendar	−2147
Thai solar calendar	−137 – −136
Tibetan calendar	阳金鼠年 (male Iron-Rat) −553 or −934 or −1706 — to — 阴金牛年 (female Iron-Ox) −552 or −933 or −1705