815

Year 815 (DCCCXV) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.

Millennium:	1st millennium
Centuries:	8th century 9th century 10th century
Decades:	790s 800s 810s 820s 830s
Years:	812 813 814 815 816 817 818

815 in various calendars

Gregorian calendar	815 DCCCXV
Ab urbe condita	1568
Armenian calendar	264 ԹՎ ՄԿԴ
Assyrian calendar	5565
Balinese saka calendar	736–737
Bengali calendar	222
Berber calendar	1765
Buddhist calendar	1359
Burmese calendar	177
Byzantine calendar	6323–6324
Chinese calendar	甲午年 (Wood Horse) 3511 or 3451     — to — 乙未年 (Wood Goat) 3512 or 3452
Coptic calendar	531–532
Discordian calendar	1981
Ethiopian calendar	807–808
Hebrew calendar	4575–4576
Hindu calendars
- Vikram Samvat	871–872
- Shaka Samvat	736–737
- Kali Yuga	3915–3916
Holocene calendar	10815
Iranian calendar	193–194
Islamic calendar	199–200
Japanese calendar	Kōnin 6 (弘仁６年)
Javanese calendar	711–712
Julian calendar	815 DCCCXV
Korean calendar	3148
Minguo calendar	1097 before ROC 民前1097年
Nanakshahi calendar	−653
Seleucid era	1126/1127 AG
Thai solar calendar	1357–1358
Tibetan calendar	阳木马年 (male Wood-Horse) 941 or 560 or −212     — to — 阴木羊年 (female Wood-Goat) 942 or 561 or −211

Map indicating travels of first Scandinavians

Norsemen landing in Iceland (9th century)

Events

Byzantine Empire

• Byzantine–Bulgarian Treaty: Emperor Leo V the Armenian signs a 30-year peace agreement in Constantinople with Omurtag, ruler (khan) of the Bulgarian Empire. The Rhodope Mountains become the Byzantine border again, and Leo regains its lost Black Sea cities, after the Bulgars have them demolished.[1]

Europe

• Hrafna-Flóki Vilgerðarson sets out from the Faroe Islands and discovers Iceland (documented later in the Landnámabók) (approximate date).

Britain

• King Egbert of Wessex ravages the territories of the remaining British kingdom Dumnonia, known as the West Welsh (Cornwall).[2]

Asia

• Emperor Saga of Japan is the first sovereign to drink tea (according to legend), imported from China by monks. The upper classes adopt this beverage for medicinal use.
• July 13 – Wu Yuanheng, Chinese chancellor of the Tang Dynasty, is murdered by assassins of warlord Wu Yuanji, in Chang'an.

Religion

• Synod of Constantinople: A council led by patriarch Theodotus I, in the Hagia Sophia, reinstitutes iconoclasm.[3]

Births

• Abu Hanifa Dinawari, Muslim botanist and geographer (d. 896)
• Boniface VI, pope of the Catholic Church (d. 896)
• Dawud al-Zahiri, Muslim scholar (approximate date)
• Eberhard, duke of Friuli (approximate date)
• Johannes Scotus Eriugena, Irish theologian (approximate date)
• Leoluca, Sicilian abbot (approximate date)
• Methodius, Byzantine missionary and bishop (d. 885)
• Theodora, Byzantine empress (approximate date)

Deaths

• July 13 – Wu Yuanheng, chancellor of the Tang Dynasty (b. 758)
• Jābir ibn Hayyān (Geber), Muslim alchemist (approximate date)
• Laylā bint Ṭarīf, Arab woman warrior poet
• Mashallah ibn Athari, Jewish-Arab astrologer
• Muirgius mac Tommaltaig, king of Connacht (Ireland)
• Omar Tiberiades, Persian astrologer (approximate date)
• Sadnalegs, emperor of Tibet (approximate date)

References

1. Fine, John V. A. Jr. (1991) [1983]. The Early Medieval Balkans: A Critical Survey from the Sixth to the Late Twelfth Century. Ann Arbor, Michigan: University of Michigan Press. p. 106. ISBN 0-472-08149-7.
2. Swanton, Anglo-Saxon Chronicle, pp. 58–59.
3. Kazhdan, Alexander, ed. (1991). The Oxford Dictionary of Byzantium. Oxford and New York: Oxford University Press. pp. 513–514. ISBN 0-19-504652-8.