686 BC

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:	689 BC 688 BC 687 BC 686 BC 685 BC 684 BC 683 BC

686 BC in various calendars
Gregorian calendar	686 BC DCLXXXV BC
Ab urbe condita	68
Ancient Egypt era	XXV dynasty, 67
- Pharaoh	Taharqa, 5
Ancient Greek era	23rd Olympiad, year 3
Assyrian calendar	4065
Bengali calendar	−1278
Berber calendar	265
Buddhist calendar	−141
Burmese calendar	−1323
Byzantine calendar	4823–4824
Chinese calendar	甲午年 (Wood Horse) 2011 or 1951 — to — 乙未年 (Wood Goat) 2012 or 1952
Coptic calendar	−969 – −968
Discordian calendar	481
Ethiopian calendar	−693 – −692
Hebrew calendar	3075–3076
Hindu calendars
- Vikram Samvat	−629 – −628
- Shaka Samvat	N/A
- Kali Yuga	2415–2416
Holocene calendar	9315
Iranian calendar	1307 BP – 1306 BP
Islamic calendar	1347 BH – 1346 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1648
Minguo calendar	2597 before ROC 民前2597年
Nanakshahi calendar	−2153
Thai solar calendar	−143 – −142
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