718

718 in variouscalendars
Gregorian calendar	718; DCCXVIII
Ab urbe condita	1471
Armenian calendar	167; ԹՎ ՃԿԷ
Assyrian calendar	5468
Balinese saka calendar	639–640
Bengali calendar	125
Berber calendar	1668
Buddhist calendar	1262
Burmese calendar	80
Byzantine calendar	6226–6227
Chinese calendar	Đinh tịNiên (FireSnake); 3415 or 3208; — to —; Mậu ngọ niên (EarthHorse); 3416 or 3209
Coptic calendar	434–435
Discordian calendar	1884
Ethiopian calendar	710–711
Hebrew calendar	4478–4479
Hindu calendars
-Vikram Samvat	774–775
-Shaka Samvat	639–640
-Kali Yuga	3818–3819
Holocene calendar	10718
Iranian calendar	96–97
Islamic calendar	99–100
Japanese calendar	Yōrō2; ( dưỡng lão ２ niên )
Javanese calendar	611–612
Julian calendar	718; DCCXVIII
Korean calendar	3051
Minguo calendar	1194 beforeROC; Dân tiền 1194 niên
Nanakshahi calendar	−750
Seleucid era	1029/1030AG
Thai solar calendar	1260–1261
Tibetan calendar	Âm hỏa xà niên; (female Fire-Snake); 844 or 463 or −309; — to —; Dương thổ mã niên; (male Earth-Horse); 845 or 464 or −308

Millennium:	1st millennium
Centuries:	7th century; 8th century; 9th century;
Decades:	690s; 700s; 710s; 720s; 730s;
Years:	715; 716; 717; 718; 719; 720; 721;

Year718(DCCXVIII) was acommon year starting on Saturday(link will display the full calendar) of theJulian calendar,the 718th year of theCommon Era(CE) andAnno Domini(AD) designations, the 718th year of the1st millennium,the 18th year of the8th century,and the 9th year of the710sdecade. The denomination 718 for this year has been used since the early medieval period, when theAnno Domini calendar erabecame the prevalent method in Europe for naming years.

Events

Spring – A Muslim supply fleet of 760 ships under Sufyan arrives fromEgyptandNorth Africa,concealing itself along theAsiaticshore. TheByzantineslearn of the fleet's location from defectingChristian Egyptiansailors. EmperorLeo IIIsends theByzantine navyagain; hisGreek fireships destroy the enemy vessels in theSea of Marmaraand seize their supplies on shore, denying the sieging army vital provisions.^[1]On land the Byzantine troops ambush an advancing Arab army, and destroy it in the hills aroundSophon,south ofNicomedia(modernTurkey).^[2]^[3]^[4]^[5]The Arab besiegers are still suffering fromhungerand pestilence.
August 15–Siege of Constantinople:ABulgarrelief force attacks thesiege linesatConstantinople,on the west side of theBosporus.Contemporarychroniclersreport that at least 22,000–32,000 Arabs are killed during the Bulgarian attacks. CaliphUmar IIis forced to lift thesiegeafter 13 months; the Muslim army attempts to withdraw back throughAnatolia,while the rest escapes by sea in the remaining vessels. The Arab fleet suffers further casualties tostorms,and aneruptionof thevolcanoofThera.^[6]According to Arab sources 150,000 Muslims perish during the campaign.^[7]

Battle of Soissons:KingChilperic IIofNeustriaand his mayor of the palaceRagenfrid,allied withEudes,independentduke of Aquitaine,march onSoissonsinPicardy(northern France) but an army ofFrankishveterans underCharles Marteldefeat the Neustrian allies, who sue for peace. Chilperic flees to the land south of the RiverLoireand Ragenfrid escapes toAngers.Charles diplomatically chooses not to execute the enemy leaders, and becomes undisputeddux Francorum,ending the Frankishcivil war.
Summer –Battle of Covadonga:Pelagius (Don Pelayo)is proclaimed king (caudillo), and defeats theUmayyadforces underMunuza,provincial governor ofAsturias,atPicos de Europa(nearCovadonga). This marks the beginning of theReconquista,the Christian reconquest of theIberian Peninsula.He founds theKingdom of Asturias,and establishes a military base atCangas de Onís(northwest of Spain)^[8](or 722).
KingLiutprandof theLombardsbuilds a closealliancewith Charles Martel, and attacks theBavariancastles on theRiver Adige,maintaining strategic control of the Alpinepassesin the ItalianAlps(approximate date).

KingCoenred of Northumbriadies after a 2-year reign. The throne is seized byOsric,probably a younger brother, or half-brother, of the late kingOsred I.
Former queenCuthburhofNorthumbria,abbess ofWimborne,dies at herabbeyand is buried there (approximate date).

TheWessex-bornmissionary Bonifacesets out forFrisiaa second time. He travels to Rome, wherePope Gregory IIsends him on a mission to convert theSaxonsinLower Saxony(modern-day Germany).
Hugh of Champagne,cousin of Charles Martel, enters themonasteryofJumièges(Normandy), and embraces the religious life asabbot.

^John Cairns, "Road to Manzikert" (2012). Byzantine Warfare in an Age of Crisis and Recovery (Chapter 3), p. 70.ISBN 978-1-84884-215-1
^Guilland, Rodolphe(1959). "L'Expedition de Maslama contre Constantinople (717–718)".Études byzantines(in French). Paris: Publications de la Faculté des Lettres et Sciences Humaines de Paris: 122.OCLC 603552986.
^Mango, Cyril;Scott, Roger (1997).The Chronicle of Theophanes Confessor. Byzantine and Near Eastern History, AD 284–813.Oxford: Oxford University Press. p. 546.ISBN 0-19-822568-7.
^Lilie, Ralph-Johannes(1976).Die byzantinische Reaktion auf die Ausbreitung der Araber. Studien zur Strukturwandlung des byzantinischen Staates im 7. und 8. Jhd(in German). Munich: Institut für Byzantinistik und Neugriechische Philologie der Universität München. pp. 130–131.
^Treadgold, Warren(1997).A History of the Byzantine State and Society.Stanford, California:Stanford University Press.p. 348.ISBN 0-8047-2630-2.
^Treadgold, Warren(1997).A History of the Byzantine State and Society.Stanford, California:Stanford University Press.pp. 347–349.ISBN 0-8047-2630-2.
^Haldon, John F. (1990).Byzantium in the Seventh Century: The Transformation of a Culture. Revised Edition.Cambridge:Cambridge University Press.p. 83.ISBN 978-0-521-31917-1.
^David Nicolle (2008). Poitiers AD 732, Charles Martel turns the Islamic tide (p. 17).ISBN 978-184603-230-1