664

This article is about the year 664. For the number, see 664 (number).

Millennium:	1st millennium
Centuries:	6th century – 7th century – 8th century
Decades:	630s  640s  650s  – 660s –  670s  680s  690s
Years:	661 662 663 – 664 – 665 666 667

664 by topic

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishment and disestablishment categories

Establishments – Disestablishments

664 in other calendars

Gregorian calendar	664 DCLXIV
Ab urbe condita	1417
Armenian calendar	113 ԹՎ ՃԺԳ
Assyrian calendar	5414
Bengali calendar	71
Berber calendar	1614
Buddhist calendar	1208
Burmese calendar	26
Byzantine calendar	6172–6173
Chinese calendar	癸亥年 (Water Pig) 3360 or 3300     — to — 甲子年 (Wood Rat) 3361 or 3301
Coptic calendar	380–381
Discordian calendar	1830
Ethiopian calendar	656–657
Hebrew calendar	4424–4425
Hindu calendars
- Vikram Samvat	720–721
- Shaka Samvat	586–587
- Kali Yuga	3765–3766
Holocene calendar	10664
Iranian calendar	42–43
Islamic calendar	43–44
Japanese calendar	N/A
Julian calendar	664 DCLXIV
Korean calendar	2997
Minguo calendar	1248 before ROC 民前1248年
Seleucid era	975/976 AG
Thai solar calendar	1206–1207

Ruins of Whitby Abbey (North Yorkshire)

Year 664 (DCLXIV) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar. The denomination 664 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

By place

Britain

• Plague devastates Gwynedd (Wales) and depopulates the southern coasts of England. King Cadafael Cadomedd dies and is succeeded by Cadwaladr who reasserts himself in his kingdom by sending his son Ivor from Brittany to be regent.
• King Ealdwulf succeeds Æthelwald as king of East Anglia. He becomes the last ruler that Bede, a Northumbrian monk, knows about.During his reign a great plague sweeps across the Anglo-Saxon kingdoms.
• July 14 – King Eorcenberht of Kent dies after a 24-year reign and is succeeded by his son Ecgberht. Queen Seaxburh becomes regent, ruling Kent until Ecgberht comes of age.
• King Swithelm of Essex dies after a 4-year reign. He is succeeded by his cousins Sighere and Sæbbi (approximate date).

Arabian Empire

• Muslim Conquest: Arab forces under Al-Muhallab ibn Abi Suffrah begin launching raids from Persia, striking at Multan in the southern Punjab (modern Pakistan). Muslims conquer the city of Kabul, invading from eastern Afghanistan.

By topic

Religion

• Synod of Whitby: King Oswiu of Northumbria calls for a meeting at Whitby Abbey to settle the church practices in his kingdom—those of the Celtic Church (of Wales, Scotland and the north of England - preached by Irish missionaries) or the Roman Church (of the south of England). The matters discussed include how to calculate the date of Easter. It is decided to follow the practice of Rome. As a result, many Irish clergy leave Northumbria and return to Ireland.

Births

• Constantine I, pope of the Catholic Church (d. 715)
• Shangguan Wan'er, Chinese poet (d. 710)

Deaths

• Æthelwald, king of East Anglia (approximate date)
• Alhfrith, king of Deira (approximate date)
• January 6 – 'Amr ibn al-'As, Arab general
• Cadafael Cadomedd, king of Gwynedd (Wales)
• October 26 – Cedd, bishop of London
• Deusdedit of Canterbury, archbishop of Canterbury
• July 14 – Eorcenberht, king of Kent
• Swithelm, king of Essex (approximate date)
• October 21 – Tuda, bishop of Lindisfarne
• Xuanzang, Chinese Buddhist monk and traveler