615

615 in various calendars
Gregorian calendar	615; DCXV
Ab urbe condita	1368
Armenian calendar	64; ԹՎ ԿԴ
Assyrian calendar	5365
Balinese saka calendar	536–537
Bengali calendar	22
Berber calendar	1565
Buddhist calendar	1159
Burmese calendar	−23
Byzantine calendar	6123–6124
Chinese calendar	甲戌年 (Wood Dog); 3312 or 3105; — to —; 乙亥年 (Wood Pig); 3313 or 3106
Coptic calendar	331–332
Discordian calendar	1781
Ethiopian calendar	607–608
Hebrew calendar	4375–4376
Hindu calendars
- Vikram Samvat	671–672
- Shaka Samvat	536–537
- Kali Yuga	3715–3716
Holocene calendar	10615
Iranian calendar	7 BP – 6 BP
Islamic calendar	7 BH – 6 BH
Japanese calendar	N/A
Javanese calendar	505–506
Julian calendar	615; DCXV
Korean calendar	2948
Minguo calendar	1297 before ROC; 民前1297年
Nanakshahi calendar	−853
Seleucid era	926/927 AG
Thai solar calendar	1157–1158
Tibetan calendar	阳木狗年; (male Wood-Dog); 741 or 360 or −412; — to —; 阴木猪年; (female Wood-Pig); 742 or 361 or −411

Millennium:	1st millennium
Centuries:	6th century; 7th century ; 8th century;
Decades:	590s; 600s; 610s ; 620s; 630s;
Years:	612; 613; 614; 615 ; 616; 617; 618;

Year 615 (DCXV) was a common year starting on Wednesday of the Julian calendar. The denomination 615 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

The Balkans are freely overrun by the Slavs, who settle in large numbers in what is now Bulgaria, Serbia, North Macedonia and parts of Greece. The western territories of modern-day Yugoslavia (Bosnia, Croatia and Dalmatia) suffer raids from the Avars, who settle in this region.^[1]
The Slavs under Chatzon attack in longboats along the coasts of Thessaly, western Anatolia, and various Greek islands. They besiege the Byzantine city of Thessaloniki in a combined land and sea attack. The Slavs with their families encamp before the city walls.^[2]
The city of Epidaurus (Dalmatia) is destroyed by the Avars and Slavic invaders. The Illyrian refugees flee to the nearby island Laus, where they found Dubrovnik (Ragusa). The islands of Rab, Krk and Cres become major food suppliers for the surviving cities of the mainland.^[3]
Eleutherius succeeds John I as exarch of Ravenna. He persecutes those implicated in the murder of John and the judges of the State. After making a courtesy visit to Pope Adeodatus I, Eleutherius captures Naples and kills the rebel leader John of Conza.^[4]

Bangor Massacre: The Anglo-Saxons, under King Æthelfrith of Northumbria, after defeating the Kingdom of Powys, finally reach the Irish Sea and massacre 1,200 Christian monks at their monastery, in Bangor (Wales).^[5]
Edwin of Northumbria takes refuge in East Anglia; he marries Cwenburga, daughter of king Cearl of Mercia (according to the Historia ecclesiastica gentis Anglorum).

July 29 – Queen Sak Kʼukʼ is succeeded by her son Pacal the Great, as ruler of the Maya city state Palenque (Mexico). He begins a building program at his capital, that produces some of Maya civilization's finest art and architecture.

May 25 – Pope Boniface IV dies after a 7-year reign, in which he has converted the Pantheon into the Church of "Santa Maria Rotonda". He is succeeded by Adeodatus I (also known as Deusdedit) as the 68th pope of Rome.
Several of Muhammad's followers begin to emigrate to the Aksumite Empire. They found a small colony there, under the protection of the Christian Ethiopian emperor Așhama ibn Abjar.^[6]^[7]

^ Fine 1991, p. 34.
^ Fine 1991, p. 41.
^ Fine 1991, p. 35.
^ Raymond Davis (translator), "The Book of Pontiffs (Liber Pontificalis)", first edition (Liverpool: University Press, 1989, p. 63
^ St Dunawd, GENUKI
^ Alford Welch, "Muhammad", Encyclopaedia of Islam
^ An Introduction to the Quran (1895), p. 185