678 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:	681 BC 680 BC 679 BC 678 BC 677 BC 676 BC 675 BC

678 BC in various calendars

Gregorian calendar	678 BC DCLXXVIII BC
Ab urbe condita	76
Ancient Egypt era	XXV dynasty, 75
- Pharaoh	Taharqa, 13
Ancient Greek era	25th Olympiad, year 3
Assyrian calendar	4073
Balinese saka calendar	N/A
Bengali calendar	−1270
Berber calendar	273
Buddhist calendar	−133
Burmese calendar	−1315
Byzantine calendar	4831–4832
Chinese calendar	壬寅年 (Water Tiger) 2020 or 1813     — to — 癸卯年 (Water Rabbit) 2021 or 1814
Coptic calendar	−961 – −960
Discordian calendar	489
Ethiopian calendar	−685 – −684
Hebrew calendar	3083–3084
Hindu calendars
- Vikram Samvat	−621 – −620
- Shaka Samvat	N/A
- Kali Yuga	2423–2424
Holocene calendar	9323
Iranian calendar	1299 BP – 1298 BP
Islamic calendar	1339 BH – 1338 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1656
Minguo calendar	2589 before ROC 民前2589年
Nanakshahi calendar	−2145
Thai solar calendar	−135 – −134
Tibetan calendar	阳水虎年 (male Water-Tiger) −551 or −932 or −1704     — to — 阴水兔年 (female Water-Rabbit) −550 or −931 or −1703

The year 678 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 76 Ab urbe condita . The denomination 678 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

• Phraortes becomes king of the Medes (according to the chronology proposed by Igor Diakonoff)

Deaths

• Min, Marquis of Jin
• Duke Wu of Qin, ruler of the state of Qin
• Perdiccas I of Macedon