660

660 (DCLX) was a leap year starting on Wednesday of the Julian calendar, the 660th year of the Common Era (CE) and Anno Domini (AD) designations, the 660th year of the 1st millennium, the 60th year of the 7th century, and the 1st year of the 660s decade. As of the start of 660, the Gregorian calendar was 3 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	1st millennium
Centuries:	6th century – 7th century – 8th century
Decades:	630s  640s  650s  – 660s –  670s  680s  690s
Years:	657 658 659 – 660 – 661 662 663

660 in other calendars

Gregorian calendar	660 DCLX
Ab urbe condita	1413
Armenian calendar	109 ԹՎ ՃԹ
Assyrian calendar	5410
Balinese saka calendar	581–582
Bengali calendar	67
Berber calendar	1610
Buddhist calendar	1204
Burmese calendar	22
Byzantine calendar	6168–6169
Chinese calendar	己未年 (Earth Goat) 3356 or 3296     — to — 庚申年 (Metal Monkey) 3357 or 3297
Coptic calendar	376–377
Discordian calendar	1826
Ethiopian calendar	652–653
Hebrew calendar	4420–4421
Hindu calendars
- Vikram Samvat	716–717
- Shaka Samvat	581–582
- Kali Yuga	3760–3761
Holocene calendar	10660
Iranian calendar	38–39
Islamic calendar	39–40
Japanese calendar	N/A
Javanese calendar	551–552
Julian calendar	660 DCLX
Korean calendar	2993
Minguo calendar	1252 before ROC 民前1252年
Nanakshahi calendar	−808
Seleucid era	971/972 AG
Thai solar calendar	1202–1203
Tibetan calendar	阴土羊年 (female Earth-Goat) 786 or 405 or −367     — to — 阳金猴年 (male Iron-Monkey) 787 or 406 or −366

Events

• The Umayyad Empire was established.
• In the year 660 the kingdom of Silla invaded the kingdom of Baekje. (see Korea)
• Empress Saimei of Japan makes an order to dispatch a force to the Korean Peninsula to save Baekje.

Births

• Yamanoue no Okura, Japanese poet (d. 733) (see: Waka)