691

Millennium: 1st millennium
Centuries:
Decades:
Years:
691 in various calendars
Gregorian calendar691
DCXCI
Ab urbe condita1444
Armenian calendar140
ԹՎ ՃԽ
Assyrian calendar5441
Balinese saka calendar612–613
Bengali calendar98
Berber calendar1641
Buddhist calendar1235
Burmese calendar53
Byzantine calendar6199–6200
Chinese calendar庚寅年 (Metal Tiger)
3388 or 3181
    — to —
辛卯年 (Metal Rabbit)
3389 or 3182
Coptic calendar407–408
Discordian calendar1857
Ethiopian calendar683–684
Hebrew calendar4451–4452
Hindu calendars
 - Vikram Samvat747–748
 - Shaka Samvat612–613
 - Kali Yuga3791–3792
Holocene calendar10691
Iranian calendar69–70
Islamic calendar71–72
Japanese calendarShuchō 6
(朱鳥6年)
Javanese calendar583–584
Julian calendar691
DCXCI
Korean calendar3024
Minguo calendar1221 before ROC
民前1221年
Nanakshahi calendar−777
Seleucid era1002/1003 AG
Thai solar calendar1233–1234
Tibetan calendar阳金虎年
(male Iron-Tiger)
817 or 436 or −336
    — to —
阴金兔年
(female Iron-Rabbit)
818 or 437 or −335
King Clovis IV and Pepin of Herstal

Year 691 (DCXCI) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. The denomination 691 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.