Editing 647

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[[File:Korea-Gyeongju-Cheomseongdae-02.jpg|upright=1.35|thumb|[[Cheomseongdae]] in [[Gyeongju]] ([[South Korea]])]]
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Year '''647''' ('''[[Roman numerals|DCXLVII]]''') was a [[common year starting on Monday]] of the [[Julian calendar]]. The denomination 647 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 ==
<onlyinclude>

=== By place ===
==== Byzantine Empire ====
* [[Arab–Byzantine wars#Conquest of the Exarchate of Africa|Arab–Byzantine War]]: An [[Rashidun army|Arab army]] (20,000 men) under [[Abdullah ibn Saad|Abdullah ibn Sa'ad]] invades the Byzantine [[Exarchate of Africa]]. It conquers [[Tripolitania]] and the city of [[Sbeitla|Sufetula]], 150 miles (240 km) south of [[Carthage]]. 
* Self-proclaimed emperor [[Gregory the Patrician]] is killed during the Arab invasion at Sufetula. [[History of Africa|Africa]] returns to imperial allegiance after his death, but the foundation of [[Byzantine Empire|Byzantine]] rule is fatally undermined.

==== Asia ====
* Emperor [[Emperor Taizong of Tang|Taizong]] of the [[Tang dynasty]] sends a Chinese mission to study Indian techniques of [[sugar]] manufacturing, at [[Bihar]] in the [[Ganges|Ganges Valley]].<ref name=Kieschnick11>Kieschnick, John (2003). "The Impact of Buddhism on Chinese Material Culture". [[Princeton University Press]], p. 258. {{ISBN|0-691-09676-7}}</ref>
* Taizong establishes a Chinese [[Stratocracy|military government]] to [[Protectorate General to Pacify the North|pacify the former territory of Xueyantuo]], which extends to the [[Altai Mountains]] in the west.
* Emperor [[Harsha]], ruler of northern [[India]], dies after a 41-year reign. His kingdom disintegrates into smaller states.
* [[Jindeok of Silla|Jindeok]] becomes queen of the Korean kingdom of [[Silla]] after the death of [[Queen Seondeok]].<ref name=met>{{cite web |title=List of Rulers of Korea |url=https://www.metmuseum.org/toah/hd/koru/hd_koru.htm |website=www.metmuseum.org |access-date=21 April 2019}}</ref>

=== By topic ===
==== Astronomy and science ====
* A stone tower [[Astronomy|astronomical]] [[observatory]] (named [[Cheomseongdae]]) at [[Gyeongju]] is constructed in [[Silla]] ([[South Korea]]) around this time.

==== Religion ====
* [[Hilda of Whitby]], age 33, is persuaded by [[Aidan of Lindisfarne|Aidan]], bishop of [[Lindisfarne]], to enter the [[Monasticism|monastic]] life at [[Hartlepool Abbey]] ([[Northumbria]]).
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== Births ==
* [[Al-Abbas ibn Ali]], Muslim [[martyr]] (d. [[680]])
* [[Itzamnaaj B'alam II]], ruler of [[Yaxchilan]] (d. [[742]])

== Deaths ==
* [[Æthelburh of Kent]], queen of [[Northumbria]] 
* [[Felix of Burgundy]], bishop of [[Dunwich]] (or [[648]])
* [[Gao Shilian]], chancellor of the [[Tang dynasty]] (b. [[576]])
* [[Gregory the Patrician]], [[Exarchate of Africa|Exarch of Africa]]
* [[Harsha]], emperor of [[Harsha]] ([[India]])
* [[Li Baiyao]], Chinese official and [[historian]] (b. [[564]])
* [[Queen Seondeok of Silla|Seondeok]], queen of [[Silla]] ([[Three Kingdoms of Korea|Korea]])<ref name=met />
* [[Xiao Yu]], prince of the [[Liang dynasty]] (b. [[574]])
* [[Yang Shidao]], [[chancellor of the Tang dynasty]]

== References ==
{{Reflist}}

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