661

661 (DCLXI) was a common year starting on Friday of the Julian calendar, the 661st year of the Common Era (CE) and Anno Domini (AD) designations, the 661st year of the 1st millennium, the 61st year of the 7th century, and the 2nd year of the 660s decade. As of the start of 661, the Gregorian calendar was 3 days ahead of the Julian calendar, which was the dominant calendar of the time.

661 in other calendars

Gregorian calendar	661 DCLXI
Ab urbe condita	1414
Armenian calendar	110 ԹՎ ՃԺ
Assyrian calendar	5411
Balinese saka calendar	582–583
Bengali calendar	68
Berber calendar	1611
Buddhist calendar	1205
Burmese calendar	23
Byzantine calendar	6169–6170
Chinese calendar	庚申年 (Metal Monkey) 3357 or 3297     — to — 辛酉年 (Metal Rooster) 3358 or 3298
Coptic calendar	377–378
Discordian calendar	1827
Ethiopian calendar	653–654
Hebrew calendar	4421–4422
Hindu calendars
- Vikram Samvat	717–718
- Shaka Samvat	582–583
- Kali Yuga	3761–3762
Holocene calendar	10661
Iranian calendar	39–40
Islamic calendar	40–41
Japanese calendar	N/A
Javanese calendar	552–553
Julian calendar	661 DCLXI
Korean calendar	2994
Minguo calendar	1251 before ROC 民前1251年
Nanakshahi calendar	−807
Seleucid era	972/973 AG
Thai solar calendar	1203–1204
Tibetan calendar	ལྕགས་ཕོ་སྤྲེ་ལོ་ (male Iron-Monkey) 787 or 406 or −366     — to — ལྕགས་མོ་བྱ་ལོ་ (female Iron-Bird) 788 or 407 or −365

Events

• A series of wars begin between the Byzantine Empire and the Sassanid Empire.

Deaths

for more information, see Category:661 deaths.

• June Taejong muyeol of Silla, 29th King of Silla(Korean of ancient kingdom, B.C 57 – A.D 935)