663

663 in various calendars
Gregorian calendar	663; DCLXIII
Ab urbe condita	1416
Armenian calendar	112; ԹՎ ՃԺԲ
Assyrian calendar	5413
Balinese saka calendar	584–585
Bengali calendar	70
Berber calendar	1613
Buddhist calendar	1207
Burmese calendar	25
Byzantine calendar	6171–6172
Chinese calendar	壬戌年 (Water Dog); 3360 or 3153; — to —; 癸亥年 (Water Pig); 3361 or 3154
Coptic calendar	379–380
Discordian calendar	1829
Ethiopian calendar	655–656
Hebrew calendar	4423–4424
Hindu calendars
- Vikram Samvat	719–720
- Shaka Samvat	584–585
- Kali Yuga	3763–3764
Holocene calendar	10663
Iranian calendar	41–42
Islamic calendar	42–43
Japanese calendar	Hakuchi 14; (白雉１４年)
Javanese calendar	554–555
Julian calendar	663; DCLXIII
Korean calendar	2996
Minguo calendar	1249 before ROC; 民前1249年
Nanakshahi calendar	−805
Seleucid era	974/975 AG
Thai solar calendar	1205–1206
Tibetan calendar	阳水狗年; (male Water-Dog); 789 or 408 or −364; — to —; 阴水猪年; (female Water-Pig); 790 or 409 or −363

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

Year 663 (DCLXIII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. The denomination 663 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

Battle of Baekgang: Korean Baekje forces and their Japanese allies are defeated in this naval battle by Korean and Chinese armies in a joint Silla–Tang victory.
An anonymous monk reaches the summit of mount Fuji.