669

669 in various calendars
Gregorian calendar	669; DCLXIX
Ab urbe condita	1422
Armenian calendar	118; ԹՎ ՃԺԸ
Assyrian calendar	5419
Balinese saka calendar	590–591
Bengali calendar	76
Berber calendar	1619
Buddhist calendar	1213
Burmese calendar	31
Byzantine calendar	6177–6178
Chinese calendar	戊辰年 (Earth Dragon); 3366 or 3159; — to —; 己巳年 (Earth Snake); 3367 or 3160
Coptic calendar	385–386
Discordian calendar	1835
Ethiopian calendar	661–662
Hebrew calendar	4429–4430
Hindu calendars
- Vikram Samvat	725–726
- Shaka Samvat	590–591
- Kali Yuga	3769–3770
Holocene calendar	10669
Iranian calendar	47–48
Islamic calendar	48–49
Japanese calendar	Hakuchi 20; (白雉２０年)
Javanese calendar	560–561
Julian calendar	669; DCLXIX
Korean calendar	3002
Minguo calendar	1243 before ROC; 民前1243年
Nanakshahi calendar	−799
Seleucid era	980/981 AG
Thai solar calendar	1211–1212
Tibetan calendar	阳土龙年; (male Earth-Dragon); 795 or 414 or −358; — to —; 阴土蛇年; (female Earth-Snake); 796 or 415 or −357

Millennium:	1st millennium
Centuries:	6th century; 7th century ; 8th century;
Decades:	640s; 650s; 660s ; 670s; 680s;
Years:	666; 667; 668; 669 ; 670; 671; 672;

Year 669 (DCLXIX) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. The denomination 669 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

Spring – Arab forces that have taken Chalcedon, on the Asian shore of the Bosporus, threaten the Byzantine capital Constantinople. The Muslim-Arabs are decimated by famine and disease. Yazid, the Arab commander, retreats to the island of Cyzicus (modern Turkey).

King Ecgberht of Kent loses the overlordship of Surrey to King Wulfhere of Mercia. Ecgberht then grants the old Saxon Shore Fort at Reculver (south-east England) to a priest named Bassa, in order to establish a monastery dedicated to St. Mary (approximate date).

November 14 – Kamatari, Japanese statesman and reformer, receives the surname Fujiwara from Emperor Tenji as a reward for his services, but dies in Yamato prefecture (modern-day Sakurai City). ^{[Significance of this event is unclear]}