688 BC

Millennium: 1st millennium BC
Centuries:
Decades:
Years:
688 BC in various calendars
Gregorian calendar688 BC
DCLXXXVIII BC
Ab urbe condita66
Ancient Egypt eraXXV dynasty, 65
- PharaohTaharqa, 3
Ancient Greek era23rd Olympiad (victor
Assyrian calendar4063
Balinese saka calendarN/A
Bengali calendar−1280
Berber calendar263
Buddhist calendar−143
Burmese calendar−1325
Byzantine calendar4821–4822
Chinese calendar壬辰年 (Water Dragon)
2010 or 1803
    — to —
癸巳年 (Water Snake)
2011 or 1804
Coptic calendar−971 – −970
Discordian calendar479
Ethiopian calendar−695 – −694
Hebrew calendar3073–3074
Hindu calendars
 - Vikram Samvat−631 – −630
 - Shaka SamvatN/A
 - Kali Yuga2413–2414
Holocene calendar9313
Iranian calendar1309 BP – 1308 BP
Islamic calendar1349 BH – 1348 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1646
Minguo calendar2599 before ROC
民前2599年
Nanakshahi calendar−2155
Thai solar calendar−145 – −144
Tibetan calendar阳水龙年
(male Water-Dragon)
−561 or −942 or −1714
    — to —
阴水蛇年
(female Water-Snake)
−560 or −941 or −1713
Olympia in ancient Greece (7th century BC)

The year 688 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 66 Ab urbe condita . The denomination 688 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.